Explains the difficulties encountered in actual experience in remeasuring and relevelling. (3500 w.) (No. 57593)
Standard mileage and sea level datum for railways
Ry Engng Main Way
1914
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Mileage of railways block signaled
Engineering Index Backfile | 1909
Mileage table of the street railways of different cities
Engineering Index Backfile | 1893
European Patent Office | 2022
|Engineering Index Backfile | 1899
|