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No 25 Mk IV Time Fuze Diagram during World War I

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Summary

Diagram of British No. 25 Time fuze Mk IV, 1914, used for star shells.

Body is of aluminium. Threaded for G.S. 1 inch socket.

Normally used for Star shells.

Has a weak stirrup spring, suited to relatively weak shock of firing of reduced charges used for star shells. The fuze is armed by the shock of discharge (firing).

Burning time at rest : 15 seconds.

May be used for star shell for all QF guns and howitzers.

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great britain united kingdom bl 10 pounder mountain gun bl 15 pounder gun bl 6 inch 30 cwt howitzer blc 15 pounder gun fuzes of the united kingdom treatise on ammunition uk government artistic works wwi diagram
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Date

01/08/1914
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Source

UK Government artistic works
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Link

http://commons.wikimedia.org/
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Copyright info

public domain

label_outline Explore Bl 10 Pounder Mountain Gun, Blc 15 Pounder Gun, Bl 15 Pounder Gun

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great britain united kingdom bl 10 pounder mountain gun bl 15 pounder gun bl 6 inch 30 cwt howitzer blc 15 pounder gun fuzes of the united kingdom treatise on ammunition uk government artistic works wwi diagram