British Lewis LMG Tangent Sight Elevating Screw ERA It's design follows that of

It's design follows that of the Saracens used during the Crusades

from the Indian Mutiny through the modern day

powerful coil spring with a double claw at one end and a threaded nut at the other

giving it a certain amount of stiffness to help maintain its shape

at which time FECOMZ (Forward Echelon

British Lewis LMG Tangent Sight Elevating Screw ERA It's design follows that ofOriginal Item: The Lewis gun featured a folding leaf rear sight graduated to 2000 yards for the British caliber . 303 Mk VII ball cartridge. The position of the slide in the sight leaf was adjusted by turning a knob attached to an elevating screw. I. M. A. has two elevating screws that look new and unissued. RARE.