Guide to the Bruce H. Rule Papers, 1933-1989

SECTION I: CALTECH ASTROPHYSICS

Box Box 1 , Folder 1.1

Cost and valuation of materials used on war projects 1945

Folder 1.2

Council on defense cooperation memoranda 1940

Folder 1.3

Equipment identification: correspondence with T. Dunham 1949

Folder 1.4

Miscellaneous 1936

Optical Shop

120-inch grinding machine

Folder 1.5

Blueprints 1933; 1949

Folder 1.6

Correspondence 1933-1934

Folder 1.7

Electrical specifications 1933-1934

200-inch grinding machine

Folder 1.8

Correspondence 1934-1935

Folder 1.9

Disposal 1949-1950

Folder 1.10

Miscellaneous 1932

Folder 1.11

Resale of equipment to Lick Observatory: correspondence 1949-1950

Mount Wilson Observatory

Folder 1.12

Miscellaneous correspondence 1935-1936

Folder 1.13

Miscellaneous notes and data ca. 1937

SECTION II: PALOMAR 200-INCH TELESCOPE PROJECT

Additional Note

Note: Except where indicated, C. S. McDowell, supervising engineer, is the major correspondent in all papers relating to the 200-inch telescope project.

Box Box 1

Budget estimates and expenditures

Folder 1.14

1935-1936

Folder 1.15

1937

Folder 1.16

1938

Folder 1.17

1939

Folder 1.18

1940

Folder 1.19

1946

Folder 1.20

1947

Folder 1.21

1948

Box Box 2 , Folder 2.1

1949

Folder 2.2

1950

Budget, general

Folder 2.3

Extra items required to complete observatory 1947

Folder 2.4

Miscellaneous notes and correspondence 1936-1940

Monthly statements

Folder 2.5

1936

Folder 2.6

1937

Folder 2.7

1938

Folder 2.8

Project accounts 1948

Correspondence

Folder 2.9

Memoranda and reports 1935-1936

Folder 2.10

Organizational

American Society of Mechanical Engineers 1938

Babcock and Wilcox Company 1938

Chicago Bridge and Iron Company 1938

Imperial Highway Association 1936

Institute of Mechanical Engineers 1936

International Nickel Company 1935

San Diego Chamber of Commerce

See: Publicity (folders 4.3-4.5)

Scientific American 1936

See also: Publicity (folder 3.5)

Sierra Club 1937

Sperry Gyroscope Company 1935

Warner Swasey Company 1935

Westinghouse Electric and Manufacturing Co. 1935-1938

Personal

Folder 2.11

Anderson, J. A. 1935

Buckingham, E.

See: Drive and control (folder 7.18)

Bush, Vannevar

See: Drive and control (folders 6.24-6.26)

Folder 2.12

Fletcher, E. 1936-1937

Folder 2.13

Ford, H. C. 1935-1938

See also: Drive and control (folders 7.1-7.5)

Folder 2.14

Fredericks, F. 1935-1937

Folder 2.15

Froebel, G. 1935-1938

See also: Tube and mounting (folder 10.15)

Ingalls, A. C.

See: Publicity (folder 4.5)

Folder 2.16

Jewett, F. B. 1935-1938

See also: Drive and control (folder 2.16)

Folder 2.17

Karelitz, M. B. 1938-1940 (includes correspondence with Ormondroyd, J.)

Folder 2.18

Lessels, J. M., of Lessels and Karelitz Consulting Engineers 1935-1937

See also: Tube and mounting (folder 10.14)

McMath, R. R. 1935-1938

See also: Drive and control (folder 2.19)

Folder 2.20

Mendenhall, G. 1936-1938

O'Melveny, H. W.

See: Site (folders 5.3, 5.5, 5.6)

Folder 2.21

Ormondroyd, J. 1937-1938

See also: Tube and mounting (folder 10.15)

Folder 2.22

Poitras, E. J. 1938-1940

Folder 2.23

Serrurier, M. 1936-1937

Folder 2.24

Smith, S. 1937

Toothhaker, C. R.

See: Mirrors (folder 8.17)

Folder 2.25

Zworkyin, V. K. 1935-1938

See also: 200-inch telescope (folder 8.8)

Folder 2.26

Miscellaneous

Brett, M. L.

Brown, H.

Daugherty, R. L.

Domonske, A. B.

See: Tube and mounting (folder 10.14)

Durand, W. F.

See also: Tube and mounting (folder 10.14)

Flanders, R. E.

Harman, W. H.

Hill, B.

Hunsaker, J. C.

Jaeger, J. J.

See: Drive and control (folder 7.18)

Johnson, W. T.

Johnston, J.

Karelitz, G. B.

See: Tube and mounting (folder 10.14)

Kármán, T. von

Mason, M.

Mattson, C. A.

Millikan, R.

Morgan, A. F.

Pease, F. G.

Pierce, G. W.

See: Drive and control (folder 7.18)

Pugh, A. H.

Quinby, J. G.

Sykes, W.

Thorndike, T.

Timoshenko, S.

Wright, W. H.

Box Box 3 , Folder 3.1

Engineering committee correspondence and memoranda 1936

Folder 3.2

Fire suppression station, U.S. Forest Service: general correspondence 1935-1938

Job orders

Folder 3.3-3.4

1935-1937

Folder 3.5

1938

Folder 3.6

McDowell, C. S., biographical information 1936

Folder 3.7

Miscellaneous buildings: specifications [undated]

Folder 3.8

Miscellaneous correspondence 1935-1936

Folder 3.9

Names of staff members for consultation 1935

Folder 3.10

Photographs 1935

Power

Diesel generating unit, Pacific Enterprise Project

Folder 3.11

1936-1937

Folder 3.12

1938

Generated or purchased: correspondence and estimates

Folder 3.13

1935

Folder 3.14

1936-1937

Folder 3.15

Power House monthly report 1937-1939

Publicity

Folder 3.16

American and Franklin Institute talks given by C. S. McDowell: correspondence 1936

Folder 3.17

Articles by C. S. McDowell 1936-1938 [photocopies]

Folder 3.18

Celluloid telescope model correspondence re exhibits 1936-1939

Folder 3.19

Correspondence re misc. articles 1936-1938

Miscellaneous addresses, correspondence

Folder 3.20

1936-1937

Folder 3.21

1937-1938

Miscellaneous correspondence

Folder 3.22

1936-1937

Box Box 4 , Folder 4.1

1937-1938; 1944

Folder 4.2

Newspapers: correspondence 1936-1938

San Diego Chamber of Commerce

Folder 4.3

1935-1937

Folder 4.4

1938

Folder 4.5

Scientific American: correspondence with C. S. McDowell and A. C. Ingalls 1936-1938

Radio Station

Folder 4.6

Equipment correspondence 1935-1939

Folder 4.7

Frequency checking data 1938-1940 (radio stations W6XKX and W6XKY)

Folder 4.8

Interference at high frequencies: correspondence 1936-1937

License, permits, correspondence, applications

Folder 4.9

1935-1936

Folder 4.10

1937-1938

Folder 4.11

1939-1941

Folder 4.12

Miscellaneous correspondence 1935-1938

Folder 4.13

Miscellaneous notes 1938-1939

Pasadena-Palomar ultra short-wave radio circuit (Bell Labs-Caltech project)

Correspondence

Folder 4.14

1936

Folder 4.15

1937-1939

Memoranda and reports

Folder 4.16

1935-1936

Folder 4.17

1936-1937

Folder 4.18

Transceiver equipment correspondence 1935

Folder 4.19

Telephone installations: correspondence and memoranda 1935-1938

Box Box 5

Site

Folder 5.1

Additional land acquisition correspondence 1936-1938

Folder 5.2

Excavation and cement correspondence 1935-1936

Folder 5.3

Improved areas for tax exemption: correspondence and notes 1936-1939

Folder 5.4

Miscellaneous correspondence 1938

Folder 5.5

Roads to site: misc. correspondence 1934-1937

Folder 5.6

Special use permit and ordinance correspondence 1935-1938 [includes land ownership map]

Folder 5.7

Water supply: memoranda and correspondence 1935-1936

Schmidt telescopes

18-inch electromechanical oscillator

Folder 5.8

E. J. Poitras and H. Jeffers correspondence 1939-1940

Folder 5.9

Miscellaneous correspondence 1936-1938

48-inch telescope

Aerial cameras

Folder 5.10

Miscellaneous correspondence 1941-1942

Folder 5.11

Operating instructions [undated]

Folder 5.12

Photographic plate bending tests (Eastman Kodak) 1946-1947

Folder 5.13

Preliminary drawings and calculations 1940-1941

Folder 5.14

Computations 1938; undated

Folder 5.15

45-inch dome contract and memoranda (Consolidated Steel) 1938

Folder 5.16

Miscellaneous correspondence 1937-1939

Folder 5.17

Specifications ca. 1938

200-inch telescope

Dome

Folder 5.18

Air conditioning: calculations, notes, correspondence 1936; undated

Folder 5.19-5.22

Computations 1936-1937 [4 folders]

Box Box 6 , Folder 6.1-6.2

Computations (cont.) [2 folders]

Folder 6.3

Design correspondence and memoranda 1935-1937

Drive correspondence

Folder 6.4

1937

Folder 6.5

1938

Folder 6.6

Elevators: correspondence 1937

Folder 6.7

Foundation vibrations due to turning of dome: correspondence with M. Serrurier and Barss, Knobel and Young, Inc. 1934-1935

Folder 6.8

Heat studies: memorandum, reports, notes (R. M. Langer) 1937

Insulation

Correspondence with ALFOL Insulation Co.

Folder 6.9

1937

Folder 6.10

1938

Folder 6.11

Miscellaneous correspondence 1937

Folder 6.12

Insurance: covering notes and memoranda 1935-1936

Folder 6.13

Miscellaneous 1935-1938

Folder 6.14

Model tests report 1937

Folder 6.15

Quantity estimates 1935

Folder 6.16

Paint for exterior: correspondence 1937-1938

Folder 6.17

Permit requests 1936-1937

Folder 6.18

Rotating part: correspondence and memoranda 1936-1938

Folder 6.19

Specifications 1937; undated

Folder 6.20

Structural steel specifications and correspondence with Consolidated Steel 1936-1937

Folder 6.21

Trucks (dome supports): specifications and correspondence 1936-1937

Folder 6.22

Vibration tests, U.S. Coast and Geodetic Survey 1938

Folder 6.23

Weather protection: correspondence and charts 1936-1937

Drive and control

Control design correspondence

V. Bush (MIT)

Folder 6.24

1935-1937

Folder 6.25

1937

Folder 6.26

1938

Folder 6.27

General Radio Corp. 1937-1938

Folder 6.28

E. J. Poitras 1937-1938

Box Box 7

Control design and manufacture correspondence

Ford Instrument Co. and E. J. Poitras

Folder 7.1

1935-1937

Folder 7.2

1937-1938

Folder 7.3-7.4

1938

Folder 7.5

1939-1940

Drive

Folder 7.6

Bearings: correspondence re erratic behavior at slow speeds 1938

Declination, hob, worm and burnisher

Folder 7.7

Correspondence with Hanson-Whitney 1937-1939

Correspondence with Westinghouse Elec. and Mfg. Co. re worm gears

Folder 7.8-7.9

1937

Folder 7.10

1937-1939

Right ascension

Folder 7.11

Gear bearings: correspondence with Messinger Bearing Co. 1937-1939

Folder 7.12

Misc. notes and correspondence with Westinghouse Elec. and Mfg. Co. 1937-1939

Worms and worm wheels

Folder 7.13

Correspondence re manufacturing problems 1935-1936

Folder 7.14

Miscellaneous correspondence 1937-1938

General design

Folder 7.15

Preliminary blueprints 1937-1938

Folder 7.16

Preliminary notes 1935-1938

Folder 7.17

McMath system notes and calculations 1938

Folder 7.18

Miscellaneous correspondence 1935-1939

Barish, T.

Bell Telephone Co.

Bendix Marine Productions

Bodine Electric Co.

Buckingham, E.

Furlong, W. R.

Jaeger, J. J.

Jewett, F. B.

McMath, R. R.

Pierce, G. W.

Production Instruments Co.

Westinghouse Elec. and Mfg. Co.

Weston Instrument Co.

Box Box 8 , Folder 8.1

Motors: correspondence and notes 1934; 1938; undated

Folder 8.2

Time clocks: correspondence with General Electric Co. and General Radio Co. 1934-1935

Time standard correspondence

Warren Telechron Corp. and E. J. Poitras

Folder 8.3

1937-1938

Folder 8.4

1938-1939

Folder 8.5

1939 May-Dec

Folder 8.6

1940

Folder 8.7

Electrical system report by S. Smith 1937

Folder 8.8

Iconoscope for public demonstrations: correspondence with V. K. Zworykin of RCA Manufacturing Co. 1935

Mirrors

Auxiliary

Folder 8.9

Cassegrain and Coude Spectrograph: drawing, calculations, data

Folder 8.10

Miscellaneous correspondence 1935

200-inch

Folder 8.11

Aluminizing chamber: misc. correspondence 1938

Folder 8.12

Cell: misc. correspondence re alloy of low coeff. expansion 1935

Cell and table

Folder 8.13

Blueprints 1935

Folder 8.14

Inspection: correspondence with U.S. Naval Inspector of Machinery 1935-1936

Folder 8.15

Manufacture: correspondence with Babcock and Wilcox Co. and Baldwin-Southwark Corp. 1935-1936

Folder 8.16

Preliminary correspondence and bids 1935

Folder 8.17

Cleaning materials for surface: miscellaneous correspondence 1937

Folder 8.18

Miscellaneous correspondence 1934-1939

Supports

Folder 8.19

Alloy castings: correspondence with Midvale Co. 1935-1937

Folder 8.20

Ball bearings: misc. correspondence 1934-1935

Packing material

Folder 8.21

Miscellaneous correspondence 1934-1935

Folder 8.22

Test reports 1938

Box Box 9

Transportation

Corning to Pasadena

Folder 9.1

1935

Folder 9.2

1935-1936

Pasadena to Palomar

Folder 9.3

Map and blueprints 1947

Folder 9.4

Correspondence and memoranda 1947

Folder 9.5-9.6

Miscellaneous computations 1936-1939; undated

Folder 9.7

Miscellaneous reports and memoranda 1935-1938

Model

Folder 9.8

Correspondence 1935-1938; 1955

Drive and control

Folder 9.9

Blueprints and reports by Ford Manufacturing Co. 1936

Folder 9.10

Correspondence 1935-1937

Folder 9.11

Tests 1935-1936

Folder 9.12

Newtonian cage memoranda 1935

Folder 9.13

Prime focus, cage, hoist, and platform: correspondence with Edward G. Budd Mfg. and Westinghouse Elec. and Mfg. Cos. 1936-1938

Folder 9.14

Spectroheliograph: correspondence re motors for driving 1935

See also: Publicity, celluloid model (folder 3.18)

Tube and mounting

Declination axis bearings

Folder 9.15

Correspondence with SKF Industries, Inc. 1930-1934

Folder 9.16

Miscellaneous correspondence 1935-1938

Folder 9.17

Miscellaneous notes 1935-1938

Folder 9.18

Correspondence re tests at Westinghouse Elec. and Mfg. Co. 1938-1939

Folder 9.19

Design: correspondence with Westinghouse Elec. and Mfg. Co. 1936-1937

Folder 9.20

Notes and calculations 1936

Box Box 10 , Folder 10.1

Function and specifications reports 1935

Manufacture: Westinghouse Elec. and Mfg. Co. project

Folder 10.2

Blueprints 1935

Correspondence

Folder 10.3

1935

Folder 10.4

1936 Jan-Mar

Folder 10.5

1936 Mar-Jun

Folder 10.6

1936 Jul-Aug

Folder 10.7

1936 Sep-Dec

Folder 10.8

1937

Folder 10.9

1938-1939

Progress reports by F. Fredericks

Folder 10.10

1936 Jun-Dec

Folder 10.11

1937

Folder 10.12

1938

Folder 10.13

Miscellaneous data 1939

Mounting correspondence re type of design 1935

Folder 10.14

A-L

Almy, E. D.

American LaFrance Fire Engine Co.

Babcock and Wilcox Co.

Baldwin-Southwark Corp.

Burkhardt, J. E.

Carter, G. O.

Domonske, A. B.

Durand, W. F.

Ferguson, H. L.

Imboden, E. L.

Kirkland, W. A.

Karelitz, G. B.

Lessels and Karelitz

Folder 10.15

M-Z

Mercer, G. G.

Robinson, R. J.

Strong, H. E.

Westinghouse Elec. and Mfg. Co.

Froebel, G. H.

Hodgkinson, F.

Ormondroyd, J.

Kroon, R. P.

Box Box 11 , Folder 11.1

Mounting notes and reports 1935

Polar axis bearings

Folder 11.2

Design correspondence with U.S. Navy re oil flotation vs. roller bearing 1936

Folder 11.3

Miscellaneous correspondence and memoranda 1935-1938

North end

Correspondence with Westinghouse Elec. and Mfg. Co

Folder 11.4

Design 1935

Manufacture

Folder 11.5

1937

Folder 11.6

1937-1938

Folder 11.7

Oil pad tests 1935-1936

Folder 11.8-11.9

Preliminary blueprints 1935; undated

Folder 11.10

Oil purification: correspondence with Sharples Specialty Co. 1938-1939

South end

Correspondence with Westinghouse Elec. and Mfg. Co.

Folder 11.11

Design 1935

Manufacture

Folder 11.12

1935-1936

Folder 11.13

1937-1938

Shipment

Folder 11.14

Correspondence with Westinghouse Elec. and Mfg. Co. 1936-1937

Miscellaneous correspondence

Folder 11.15

1938 Jan-Jul

Folder 11.16

1938 Aug-Oct

SECTION III: NOTEBOOKS AND LAB BOOKS OF B. H. RULE

Box Box 12

90-foot radio telescopes

Folder 12.1

Bid Proposals Table 1957

Folder 12.2

Radio Telescope Bidding Review 1957 Mar

Folder 12.3

Contract Negotiations 1957

200-inch telescope

Folder 12.4

48-inch Glass Bending Tests Log 1945 Dec-1948 Oct

Folder 12.5

Heating System for Snow Melting [undated]

Folder 12.6

Notes 1937

Palomar Observatory

Folder 12.7

Drawings index and log 1936-1948 [one notebook]

Folder 12.8

Lubrication survey 1938

Folder 12.9

Books 1A and 3A: Drawing Numbers and Project Construction Schedule, work status notebook for 200-inch and 48-inch telescopes 1937-1947 [one notebook]

Box Box 13

Morris Dam tests reports

Folder 13.1

No. 25: "Dynamic Stability of Bombs and Projectiles," by M. A. Biot 1942-1943

Folder 13.2

No. 54: "Impact Decelerometers" 1943

Folder 13.3

No. 88: "Mechanism of Water Entry of Projectiles," by M. A. Biot 1943

Folder 13.4

No. 135: "Optical method of Measuring Angular Changes of Model Projectiles during Entry Phase" 1945

Folder 13.5

OSRD report: "Test Facilities and Acoustic Range at Morris Dam;" bibliography of published reports; misc. 1941-1946; 1961 [blue ring binder]

Folder 13.6

"Fundamental Relationships," by M. A. Biot 1941

Folder 13.7

NDRC workbook no. 1190 1944-1945

SECTION IV: SUPPLEMENTS

Box Box 14

Supplement 1984

Files relating to the Caltech Synchrotron Laboratory

Synchrotron office reports [3 black binders]

Folder 14.1

1960-1961

Folder 14.2

1962-1963

Folder 14.3

1963-1964

Box Box 15 , Folder 15.1

Bubble Chamber Seminar reports 1956 [black binder]

Folder 15.2

12-inch Bubble Chamber: memoranda and notes 1955-1957

Folder 15.3

Reprint: "A WF6 Bubble Chamber" 1957

Folder 15.4

File and notebook indexes [undated]

Folder 15.5

Synchrotron data from R. F. Bacher and R. V. Langmuir 1949-1954

Folder 15.6

Progress data and photos 1954-1955

Folder 15.7

Photos of G.E. coil fabrication [undated]

Folder 15.8

Air conditioning maintenance reports 1957-1958

Folder 15.9

Liquid nitrogen: memoranda, shipping receipts, inventory lists 1954-1962

Folder 15.10

Liquid hydrogen-deuterium target: memoranda and notes 1953-1954

Folder 15.11

Digital encoders: memoranda and notes 1958

Folder 15.12

Experimental schedule: notebooks and operating schedules 1957-1959

Folder 15.13

RF cavity and vacuum tank notes 1953

Folder 15.14

Vacuum test equipment notes 1954

Folder 15.15

Magnet coil copper bars: proposal, notes, test reports 1953-1955

Folder 15.16

Air choke coil notes [undated]

Folder 15.17

Injector and inflector equipment: photos and notes 1951-1954

Folder 15.18

Preliminary vacuum tank designs 1953

Folder 15.19

"H-bomb" target VZP: memorandum and notes 1952; 1958

Folder 15.20

Vacuum tank assembly tests: notes 1954; undated

Folder 15.21

Shield materials: memorandum and report 1954; 1956

Folder 15.22

Model test magnets: memoranda and notes 1953

Folder 15.23

GEW magnet power supply: notes on modifications 1951-1952

Box Box 16

Supplement 1986

Kitt Peak National Observatory (KPNO) 150-inch telescope

Folder 16.1

Miscellaneous reports, correspondence, blueprints 1963-1969

Folder 16.2

Telescope prebid conference addendums 1967

Folder 16.3

Instrument proposals 1968

Folder 16.4

"Thermal Control of Dome Structure and Observing Room," technical report by Donovan and Bliss 1966

Folder 16.5

"Thermal Effects Causing Image Deterioration within the Kitt Peak Solar Telescope," technical report by Donovan and Bliss 1965

Design Committee

Meeting notes and correspondence

Folder 16.6

1964

Folder 16.7

1966

Folder 16.8

Advisory Committee meeting notes and correspondence 1965 Nov

Folder 16.9

Design study report: "Vibration Investigation" 1964

Folder 16.10

Preliminary design: building progress report 1964

Folder 16.11

Symposium: notes re mirror, thermal support problems 1966

Box Box 17

Anglo-Australian 150-inch telescope

Project progress reports

Folder 17.1

1968 May

Folder 17.2

1969 Mar

Folder 17.3

1969 Sep

Folder 17.4

Final report on Servo Drive Study 1968 Nov

Folder 17.5

Design study (Phase A) 1968

Folder 17.6

Untitled bound book of reduced-size blueprints [undated]

Folder 17.7

Miscellaneous correspondence, notes, drawings 1967-1970

Box Box 18

Carnegie Southern Observatory (CARSO) at Las Campanas

100-inch telescope construction

Folder 18.1

Cost data 1970

Folder 18.2

Bid proposals 1972

Folder 18.3

Carnegie Institute of Washington (CIW) Du Pont engineering report 1972

Folder 18.4

Site development correspondence 1976

Folder 18.5

Lodge and housing proposals 1970

200-inch telescope construction

Folder 18.6

Mirror blank specifications 1965

Folder 18.7

Mirror support: study report and notes 1964-1965

200-inch quartz mirror

Folder 18.8

Study report of support types 1964-1965

Folder 18.9

Specifications and data 1964-1965

Folder 18.10

NSF cost proposal 1969-1971

Folder 18.11

Minimal cost proposal 1967

Folder 18.12-18.13

Early construction proposals 1963-1969

Folder 18.14

60-inch telescope construction proposal 1966

Folder 18.15

ISB flat field telescope proposal 1967

Folder 18.16

Misc. proposals for the 200, 86, and 60-inch telescopes 1970

Box Box 19

CFH (Canada-France-Hawaii) telescope at Mauna Kea, Hawaii

Folder 19.1

Hydrostatic mounts: technical papers and data by Century-Detroit 1964-1965

Folder 19.2

Description and plans by CFMK Engineers 1974-1975

Folder 19.3

EMH construction plans [in French] 1974

Folder 19.4-19.5

Blueprints 1975

Folder 19.6

Observatory dome: quotation requests and specifications by Surveyer, Nenniger and Chênevert Inc. 1975

Folder 19.7

3.6 drives: correspondence and notes 1974

Box Box 20

University of Hawaii and NASA observatories

Folder 20.1

Site investigation report by Dames and Moore Consultants 1966

Folder 20.2

Site survey: preliminary report by J. T. Jefferies and J. B. Zirker 1966

Folder 20.3

Telescope mount: technical specifications 1975

Folder 20.4

Blueprints 1974-1975

120-inch NASA infrared telescope

Folder 20.5

Specifications and blueprints 1974

Folder 20.6

Ad Hoc Review Committee: correspondence, memoranda, reports, specifications 1975

Folder 20.7

3-meter infrared telescope mount, Mauna Kea: specifications 1975

Folder 20.8

90-inch Arizona and 88-inch Hawaii telescopes: job descriptions and specifications 1966; 1970

Box Box 21 , Folder 21.1-21.3

Infrared telescope facility: Design Review Committee meeting agendas, notes, reports, memoranda, correspondence 1975 [3 notebooks]

Mount Wilson and Palomar Observatories

Folder 21.4

Engineering inquiries: correspondence 1939-1959

Folder 21.5

Flexible film optics manuscript by Horace W. Babcock 1957

Folder 21.6

Photomultipliers and cell coolers: notes 1960

Folder 21.7

Palomar seeing test data 1966

Folder 21.8

Du Pont telescope tray rocker development: notes and blueprints 1974-1975

Folder 21.9

60-inch telescope image rotator, Mt. Wilson: purchase order, drawings, notes 1975

Folder 21.10

200-inch telescope prime focus V6 adapter plate, Palomar: blueprint, work order, notes 1974

Folder 21.11

100-inch telescope mounting adapter, Mt. Wilson: blueprint 1975

Folder 21.12

Cassegrain spectrograph: memoranda re technical info 1967-1969 [donated by R. Brucato in January, 1991]

Folder 21.13

Lick Observatory: misc. notes, drawings, correspondence 1952; undated

Box Box 22 , Folder 22.1

University of Arizona and Smithsonian Astrophysical Observatory Multi-Mirror Telescope: notes, correspondence, blueprints 1971-1972

ARA, CAMROC and JPL review of antenna systems

Folder 22.2

Data 1967 Jun

Folder 22.3

Notebook 1967

Folder 22.4

European Southern Observatory: project correspondence 1973-1975

Folder 22.5

National Astronomical Observatory, Development and Field Operations Office: misc. technical reports 1957

Folder 22.6

Image tube converters: reprint, manuscript, report 1964; 1966

Folder 22.7

Diamond plate cutters: correspondence with Eastman Kodak and AAS Photo Bulletin 1967-1969

Folder 22.8

Pasadena Hall of Science: board minutes, news clippings, misc. 1973-1974

Folder 22.9

National Science Foundation (NSF): reviews of grants and proposals 1962-1973

Folder 22.10

Georgia Tech Symposium: manuscript, correspondence, photos 1963

Folder 22.11

Workshop on optical telescope technology, NASA Huntsville Seminar: notecards, manuscript, misc. 1969

Folder 22.12

"Large Radio and Optical Telescope Structural Design," Industrial Associates talk: outline and misc. 1967

Folder 22.13

Miscellaneous retirement talks: outlines and misc. 1957; 1962; 1966

Folder 22.14

Miscellaneous articles, reprints and notes 1968-1971

Folder 22.15

Astrophysics: quarterly progress reports 1966-1967

Box Box 23 , Folder 23.1

Small notebook: Palomar notes 1939

Lab notebooks [with loose notes]

Folder 23.2

60-inch Photometric Telescope Design Tests 1969

Folder 23.3

60-inch Palomar Telescope Mirror-Optical and Misc. Tests 1970

Folder 23.4

130-foot Radio Telescope, Central Engineering Services lab notebook no. 12, H. R. Hoggan 1964 Jun 5

Folder 23.5

130-inch Radio Telescope: Field Book no. 2, lab notebook no. 12 1967-1968

Folder 23.6

84-inch and 200-inch Alum. Log, Vol. III 1970

Folder 23.7

200-inch Cass-Spec.Image Tube-Camera and Assembly Log 1969

Box Box 24 , Folder 24.1

90-inch Radio Telescope Const. 1958

Folder 24.2

Solar Tubes, Big Bear 1968

Folder 24.3

Miscellaneous quarterly progress reports 1965-1966

Folder 24.4

Biographical material 1950; 1960; 1974-1975; 1989

Container List