Library Collections: Visual Still: Enlargement

Design drawing of a clutch mechanism.



Visual Still Information

Title: Dr. DelMarcelle's Controls
From: "Home, Franklin"
Original caption: Dr. DelMarcelle may change quickly from a simple hand control to conventional pedal operation with this arrangement. . .He just raises the HANDLE and pulls it back to detach the pedal bar.
Creator:  Architectural and Mechanical Hints Group (authors)
Date: October 1933
Publication: The Polio Chronicle
Source: Roosevelt Warm Springs Institute for Rehabilitation Archives