Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
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Titles
Main Title:
Improvement in Rifle-Barrels.
Added Title:
Rifle-Barrels.
Description
Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Physical Description
[1], 1 p. : ill. ; 23 cm.
Notes
Specification forming part of Letters Patent No. 198,033 dated December 11, 1877; application filed March 12, 1877.
Littlejohn, William.Improvement in Rifle-Barrels.,
patent,
December 11, 1877;
[Washington D.C.].
(https://texashistory.unt.edu/ark:/67531/metapth166730/:
accessed March 28, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.