File:Report of the Board of officers appointed in pursuance of the act of Congress approved June 6, 1872, for the purpose of selecting a breech-system for the muskets and carbines of the military service, (14596620199).jpg

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English: Alfred C. Beals wooden model repeater disassembled

Identifier: reportofboardof00unit (find matches)
Title: Report of the Board of officers appointed in pursuance of the act of Congress approved June 6, 1872, for the purpose of selecting a breech-system for the muskets and carbines of the military service, together with their report upon the subject of trowel-bayonets;
Year: 1873 (1870s)
Authors: United States. Board on Breech-loading Small-arms United States. Army. Ordnance Dept
Subjects: United States. Army Firearms Bayonets
Publisher: Washington, Govt. Print. Off.
Contributing Library: Library of the Marine Corps
Digitizing Sponsor: Library of the Marine Corps

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Text Appearing Before Image:
pparatus are like those usually foundin bolt-suns. 272 A. C. BEALS, No. 49. Wooden Model. Five motions, viz: Opened ; loaded; full-cocked; fired. Opened.—By depressing the lever; this brings down the rearmost oftwo folding-wedges which form the breech-block, by means of a toggleor link, and at the same time withdraws the upper section of the blockto its full extent and then drops it out of the way of the cartridge. Thehammer is simultaneously brought to the half-cock. Closed.—By reversing the action of the lever the section? the blockare brought into place, the last movement of the upper section beiug inthe line of the barrel, thus tending to press the cartridge into the cham-ber if it be not already completely inserted. Locked.—By the position of the breech-block. Fired.—By a tang-lock of the usual pattern. Extraction and Ejection.—By a sliding extractor on the side of thebarrel, impelled backward by a spring, when by the descent of the breech-block the way for it is clear.
Text Appearing After Image:
23 PARTS PECULIAR AND ESSENTIAL TO THE SYSTEM. Two of Wood: 11 Breech Block, Rear Sec- 21 Tang Screw. 2 Butt Stock, 3 Tip Stock. 12 14 tion, Firing- Pin,Trigger, 8 Five Pins:Link Pin, Eleven principal metallicparta not otherwise mentioned: 1516 18 Extractor, Ejector, Hammer, 91314 Link Pin, Firing Pin Stop Pin, Trigger Pin, 5 Frame, 23 Main Spring Swivel. 24 Main Spring Swivel Pin 6 Lever, 7 Link, Three Screws: Two Springs: 10 Breech Block, Front Sec- 19 Hammer Screw, 1722 Ejector Spring,Main Spring. tion, 20 Tang Screw, 12 PARTS NOT PECU1 ilAl I TO THK SYSTEM, OR (( >MMON TO ALL ARMS. 1 Barrel and Front Sight, 2 Butt Plate, 2 Butt Plate Screw,2 Butt Plate Screw, 4252627 Tip stock Screw,Rear Sight Base,Hear Sight Base Pin,Rear Sight Leaf, 282930 Rear Sight Leaf Slide,Rear Sight Spring,Rear Sight Joint Pin. A. C. BEALS, No. 49.

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30 July 2014
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