Illustrated descriptions of engines built in Germany by this firm. (1500 w.) (No. 78481)
The ehrhardt and sehmer gas engines
Ir Age
1906
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
The ehrhardt seamless car wheel
Engineering Index Backfile | 1903
The ehrhardt patent seamless spoke-wheel
Engineering Index Backfile | 1903
|