Printed Document Signed. James J. "Crash" RYAN.

Printed Document Signed.

Auto safety pioneer long before Ralph Nader popularized the topic in "Unsafe at Any Speed," this University of Minnesota mechanical engineering professor (1931-63) patented the first retractable safety seat belt in 1963 and the "black box" flight recorder in 1960; he also improved hydraulic bumpers, dashboards and collapsible steering columns. Item #24359

PDS, 3pp, 8½" X 11", Los Angeles, California, 1967 October 10. Near fine. Single staple hole at upper corner; original light mailing folds. Mimeographed "Abstract" for a talk given by Ryan at the 11th STAPP Car Crash Conference at UCLA, titled "The Hydraulic Bumper -- Automatic Seat Belt Package on Ground Vehicles." In the upper left corner of the first page, Ryan signs and inscribes it bold in blue ballpoint: "J.J. Ryan to / Paul Johnston / 7-23-71." With original envelope. Quite unusual and scarce.

Price: $150.00

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