Photos Less common weapons of WW1

[NebrHogger]

Some were experimental and never adopted.

Like this "pistol helmet". I can't imagine a use for it.

French periscopic sight for Lebel rifle.

This one's actually from WW2. German Krummlauf for shooting around corners

Similar concept for a larger weapon

Low profile firing manhole cover

Periscopic sight in use by Australians at Gallipoli

Slingshot style grenade laumcher

Same again

German battery of rifle grenade launchers

French "Little Toad" mine thrower

Battery of German grenade launchers. Notice gas alarm bell behind them

French launchers - not sure what type

British Leavens gas cannon

Guidetti launcher

Not sure what type is shown here - appears to be French

 

[morris]

Acoustic locators of the First World War. Used to detect aircraft and artillery.
Gone with the advent of radars however there are rumors that NSA still use them to eavesdrop on citizens during power outages