[SUB- 5 b.] (See quots.)
1904. Westm. Gaz., 6 July, 10/2. The ‘Sub-Target Gun Machine’ is the latest invention whose object is to afford indoor practice in rifle-shooting…. The technical description of the invention defines it as ‘a firearm holder with no aiming-point-of-rest, having the capacity to move with the firearm carried by it, and electrically controlled recording mechanism including a miniature target offset from the trajectory of the firearm, to record the direction of trajectory.’ Ibid. (1906), 9 May, 5/2. A miniature rifle range provided with the sub-target rifle.
