Springs and equalizers
Subtitle: to the members of the American Railway Master Mechanics' Association
Publisher: American Railway Master Mechanics' Association
Published: 1887
Place of publication: Chicago]
Language: eng
Notes: Caption title.

"It occurs to your committee ... to establish uniformity in the size of steel for plates, and the length of spring best adapted for driver and engine trucks of the ordinary American engines. With this point in view, it is respectfully requested that each member makes as full a report as possible, accompanying the same with drawings"--P. [1].

Dated: Chicago, September 5th, 1887.