Ratchet device for street-car hand brakes.
"Thomas" patent ratchet device
Tramway Ry. World
Tramway and Railway World ; 49 , n 3 ; p 25-26
1921
2 pages
4 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
NTRS | 1970
|