Hinckley brake pressure regulator
Subtitle: freight service : for automatically increasing the brake leverage as weight on wheels increases with the load : patented Feb. 9th, 1892 : two regulators per car
Publisher: H. Hinckley
Published: 1892
Place of publication: Trenton, N.J
Language: eng
Notes: Caption title.

Signed: Howard Hinckley, patentee. Trenton, N.J.