Papers pertain to his interest and work in engineering and include drawings, notes, publications, correspondence, reports,
plans, financial records, manuals, photographs, and patent files. Subjects include helicopters and polycopters, hydroelectric
projects (including that of Paradise, California), the Nitrafix Process [recovery of nitrogen from engine exhaust], turbine
generators, vehicles and transportation, and Chicago Stock Yards Research Division files. The collection also includes two
films ("Tow Test Films" and "Polycopter Indoors & Outdoors").
All requests to reproduce, publish, quote from, or otherwise use collection materials must be submitted in writing to the
Head of Special Collections and University Archives, Stanford University Libraries, Stanford, California 94304-6064. Consent
is given on behalf of Special Collections as the owner of the physical items and is not intended to include or imply permission
from the copyright owner. Such permission must be obtained from the copyright owner, heir(s) or assigns. See: http://library.stanford.edu/depts/spc/pubserv/permissions.html.