Indexed in Engineering Index 1938 p 1008, from Engineering June 3 1938.
Sperry rail-welding equipment
Int Ry Congress Assn -- Bul
1939
7 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Engineering Index Backfile | 1938
Engineering Index Backfile | 1938
Sperry rail-defect detecting car
Engineering Index Backfile | 1940
Sperry improves its rail test cars
Engineering Index Backfile | 1966
Sperry improves its rail test cars
Engineering Index Backfile | 1966