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File:US21SecondCombinationFuze1915.jpg

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Description

Diagram of US 21 second Combination Fuze Model 1915 for 2.95 inch Mountain Gun, US Army service.
a  : Body, steel
a' : Stop pin, brass
b  : Closing cap, steel
b' : Vents in closing cap
c  : Upper time train ring, Tobin bronze
c' : Washer for time train ring, graduated, felt cloth
d  : Time train ring graduated, Tobin bronze
d' : Washer for body, felt cloth
d2 : Rotating pin, brass
e  : Concussion plunger
e' : Concussion resistance rung, brass
f  : Concussion firing pin, brass
f' : Safety pellet, compressed powder
f2 : Safety cap, brass
g  : Vent leading to upper time train
h  : Compressed powder pellet
i  : Upper time train ring, compressed powder
j  : Compressed powder pellet in vent leading to lower time train
j' : Compressed powder pellet in lower time-train vent
k  : Lower time train, compressed powder
l  : Brass disk, locked in place
m  : Compressed powder pellet in vent o
o  : Vent leading to magazine
p  : powder magazine
q' : Percussion plunger sleeve, brass
q2 : Restraing spring, brass
r  : Percussion primer
s  : Vent leading from percussion primer to magazine
t  : Percussion firing pin, German silver
u  : Bottom closing screw, brass
v  : Washer for closing screw, muslin
w  : Washer for closing screw, brass


w' : Bottom closing screw disk, paper
Date June 10 1912, revised September 15 1916
Source

Plate V in "Handbook of the 2.95-inch mountain gun matériel and pack outfit".


https://archive.org/details/handbookof295inc00unitrich
Author United States. Army. Ordnance Dept
Permission
(Reusing this file)		 US Government, no copyright


Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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