e/Periscope rifle

Information
has gloss	eng: A periscope rifle was first invented by Sergeant William Beech, a builder's foreman in civilian life, of the 2nd Battalion NSW, Australian Imperial Force, in May 1915. The weapon consisted of a standard rifle along with a board and mirror periscope, which looked along the sights of the rifle, fitted to it with a string based trigger pull allowing actuation of the trigger from beneath the line of sight of the firearm.
lexicalization	eng: periscope rifle
instance of	(noun) a portable gun; "he wore his firearm in a shoulder holster" piece, small-arm, firearm

Media
media:img	Periscope rifle Gallipoli 1915.jpg
media:img	Periscoperifle.jpg