Five hundred and seven mechanical movements (1903)
Brown, Henry T. [from old catalog] · New York, Brown & Seward · leaf 103
Mechanical Movements, 99 403. Cyclograph for describing circular arcs in drawingswhere the center is inaccessible. This is composed ofthree straight rules. The chord and versed sine beinglaid down, draw straight sloping lines from ends of formerto top of latter, and to these lines lay two of the…
Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
