Jump to Content
Manuscript - Plan: Oxygen Mask
Manuscript: Description of Tube Mill [undated]
Plan: Angle Bar (1916)
Plan: Arch for Tube Mill Door (1918)
Plan: Aut. Balance Runner (1916, Feb. 12)
Plan: Back Liner for Wheeling Jaw Crusher (1916)
Plan: Battery Front Liner (1916)
Plan: Battery Mortar Back Liner (1916)
Plan: Battery Mortar Block Repair (1916, May 5)
Plan: Battery Mortar End Liners (1916)
Plan: Battery Mortar Throat Liner (1916, Mar. 27)
Plan: Battery Motor Pinion (1915-1918)
Plan: Battery Pump Shaft [undated]
Plan: Bob Sled (1917, July 26)
Plan: Boss Head (1917, Feb. 22)
Plan: Brass Clutch Bushing (1916)
Plan: Byron Jackson 2-Stage Pump Roller Bearing (1917, Apr. 19)
Plan: Byron Jackson Inside Plate (1918, June 23)
Plan: Byron Jackson Shaft [undated]
Plan: Cam Shaft (1916, Jan. 22)
Plan: Campbell and Kelly Bed-Plate for Double Installation (1918, Apr. 9)
Plan: Campbell and Kelly Roller Bearing (1917)
Plan: Campbell and Kelly Shaft [undated]
Plan: Campbell and Kelly Standard Slime Pump (1918, Jan. 25)
Plan: Cast Iron Arch for Gould Triplex Pump (1916, Dec. 17)
Plan: Cast Iron Back Gear for "American" Lathe (1917, Mar. 26)
Plan: Cast Iron Collar for 6' x 6" Tube Mill (1916, Jan. 10)
Plan: Cast Iron Gear Segment for Merrill Slime Filter Press (1916)
Plan: Cast Iron Guide Frame for Battery (1916, Jan. 19)
Plan: Cast Iron Pinion Long Incline Conveyor (1917)
Plan: Cast Iron Pulley for Campbell and Kelly 5" Pump (1917, Sep. 20)
Plan: Cast Iron Sluicing Pipe Support (1916)
Plan: Cast Iron Strip for Feed End of Tube Mill (1915, Apr. 23)
Plan: Cast Iron Wedge for Wheeling Jaw Crusher (1916)
Plan: Casting for Battery Finger Rest (1916)
Plan: Chute "B" (1913, May 27)
Plan: Clutch Spool - 6' x 16" Tube Mill (1916)
Plan: Concrete Tennis Court (1916, May 9)
Plan: Cone Bottom for 30'-0" Tank [undated]
Plan: Coupling Link and Pin (1913, Dec. 2)
Plan: Crusher Line Shaft (1917, Apr. 9)
Plan: Cutter for Auto Sampler (1917, Dec. 15)
Plan: Detail of Cutter Lip Automatic Sampler (1917, Dec. 18)
Plan: Detail of Framing Girts to Battery Posts (1913, Jan. 21)
Plan: Dial for Sp. Gr. Scales (1916, Oct. 23)
Plan: Door (1917, Oct. 4)
Plan: Drive Shaft for Tube Mill (1916)
Plan: Drive Sprocket for 6' x 16" Tube Mill (1916)
Plan: Drive Sprocket Wheel (1916)
Plan: Elevator Bucket (1914, Mar. 16)
Plan: End Liner Bolt (1916)
Plan: Fach and Mitchell Property (1916, May 12)
Plan: False Bottom Set for Property Mortar (1916, Jan. 16)
Plan: Feed Stem Collar (1915, July 16)
Plan: Filler Bar (1916)
Plan: Filler Block for Tool Post [undated]
Plan: Filler Block for 6' x 16" Tube Mill (1917, Mar. 14)
Plan: Filter Cloth for Merrill Slime Filter (1916, Jan. 16)
Plan: Fish Plate for 50 lb. Rail (1916)
Plan: Front Liner for Wheeling Jaw Crusher (1916)
Plan: Gear for 2HP Motor (1916)
Plan: Grate Bars for Lime Kiln (1916)
Plan: Inner Liner for 5" Campbell and Kelly Centrifugal Pump (1916)
Plan: Journal for Battery Guide (1916)
Plan: Komata Liner (1915)
Plan: Komata Liner Bolt (1916, Jan. 7)
Plan: Komata Liner Plate (1915)
Plan: Left Hand Cam (1917)
Plan: Left Hand Gear for Machine Shop Lathe (1917)
Plan: Longitudinal Section [undated]
Plan: Motor Drive Shaft (1917)
Plan: Overflow Launder [undated]
Plan: Oxygen Mask [undated]
Plan: Pedestal Bearing - Tunnel Set, Correspondence, Documents, and Ephemera
Plan: Pedestal Bearing for Campbell and Kelly 5" Centrifugal Pump (1916)
Plan: Pinion (1916)
Plan: Pinion for 3HP Motor (1916)
Plan: Pinion for Merrill Filter (1918, June 20)
Plan: Plate Balance Runner (1916, Feb. 13)
Plan: Plug Cock for 4" Sluicing Bar Valve (1916)
Plan: Plug for 3-Way Effluent Cock for Merrill Slime Press (1916)
Plan: Plug for Discharge Cock on Merrill Slime Press (1917)
Plan: Plug Valve [undated]
Plan: Right Hand Cam (1917)
Plan: Rough Cast Iron Plunger (1916, Feb. 20)
Plan: Rough Cast Iron Rock Arm for Merrill Slime Filter Press (1916)
Plan: Rough Cast Iron Shaft Brushing (1916)
Plan: Rough Cast Iron Spider Brushing (1916, May 7)
Plan: Rough Cast Iron Traction Wheel (1916)
Plan: Rough Casting of Oil Bonnet (1916)
Plan: Shaft Brushing for Gates Rock Breaker (1916)
Plan: Shear Blades (1915, Feb. 25)
Plan: Sheet Steel Door (1917)
Plan: Side Liner for Wheeling Jaw Crusher (1916)
Plan: Soft Cast Iron Cam Roller (1915)
Plan: Solid Web Cast Iron Pulley (1917, Mar. 29)
Plan: Spider Busking (1916, Dec. 15)
Plan: Spiral Feeder (1916, May 28)
Plan: Stamp Die (1916)
Plan: Stamp Shoe (1914)
Plan: Step-Back Conveyor Cast Iron Gear (1916)
Plan: Step-Back Conveyor Cast Iron Pinion (1916)
Plan: Step-Back Conveyor Gear Shaft (1917, May 16)
Plan: Step-Back Conveyor Pinion Shaft (1917, May 13)
Plan: Tappet (1917)
Plan: Thrust Bearing for B-Jackson (1918, May 2)
Plan: Ton-Cap Screen for Stamp Battery (1913, Dec. 23)
Plan: Tube Mill Drive Shaft Bearing (1916)
Plan: Tube Mill End Liner (1916, May 14)
Plan: Tunnel Set (1913, Apr. 17)
Correspondence: Department of Ceramic Engineering (1914, Dec. 23)
Document: Agitation Test [undated]
Document: Amperes Chart [undated]
Document: Battery Chart [undated]
Document: Compression Test Report (1914, Nov. 12)
Document: Crushing and Conveying Machinery Record [undated]
Document: Cyaniding and Other Machinery Record [undated]
Document: Daily Mill Tonnage [undated]
Document: Daily Mine Costs [undated]
Document: Experiments with Zinc Dust Feeder-Spiral Type (1916, Dec. 12)
Document: Mine Machine Repairs [undated]
Document: Pumps and Compressors Records [undated]
Document: Repair List-Tube Mill Liners (1916, July 27)
Document: Slime Filter Record [approximately 1910]
Document: Unidentified Chart [undated]
Ephemera: "Notice" [undated]
Ephemera: Leather document case [undated]