Sir, the Collier & Masterman Balance Valve Manufacturing Company, of Sacramento, incorporated July 20, 1872, beg leave to call your attendion to their superior device for relieving slide valves of steam engines from the downward pressure of the steam ...
Publisher: Collier & Masterman Balance Valve Manufacturing Co.
Published: 1872
Place of publication: Sacramento, Calif
Language: eng
Notes: Incipit title.

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Dated: Sacramento, Cal., August 23d, 1872.

Signed: J.R. Brown, secretary, Sacramento, Cal.