The type M triple valve
By: Westinghouse Traction Brake Co
Series: [Andrew Merrilees Transportation Collection]
Publisher: Westinghouse Traction Brake
Published: 1908
Place of publication: Pittsburgh
Language: eng
Number of pages: 20
Other titles: Trade catalogues (NLC), Railroad; Catalogues commerciaux (BNC), chemin de fer
Notes: A corporate body and subject index for this collection, and other trade catalogues, is located in the National Archives Reading Room.

"Instruction pamphlet no. T 5033"--Cover.