Patent for "a new arrangement of support for the stem of a throttle-valve, and has for its object to facilitate the lubricating of the screw and cause the parts to be firmly held in place." (Lines 19-23) Includes instructions and illustrations.
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Titles
Main Title:
Improvement in Throttle-Valve Stands and Stems.
Added Title:
Improvement in Throttle Valve and Stem.
Description
Patent for "a new arrangement of support for the stem of a throttle-valve, and has for its object to facilitate the lubricating of the screw and cause the parts to be firmly held in place." (Lines 19-23) Includes instructions and illustrations.
Physical Description
[1], 1 p. : ill. ; 23 cm.
Notes
Specification forming part of Letters Patent No. 125,174, dated April 2, 1872.
Compant, John M. & Krauskopf, Engelbert.Improvement in Throttle-Valve Stands and Stems.,
patent,
April 2, 1872;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth165329/:
accessed June 12, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.