Original Item: Only One Available. A gun-sighting telescope, dated 1916 and engraved with the maker's name: W. OTTWAY & Co. LTD. EALING. It is made of brass and has focusing ring and a ring to alter the magnifying power (with a corresponding scale up to 21) by rotating the eyepiece end. There is a brass objective lens cap. Both the cap and the telescope have the government broad arrow mark. Used for artillery sighting during the GREAT WAR. Measures approximately 29 inches in overall length and is offered in very good functional condition with clear optics. Comes complete with the original wood transit chest, fully marked (faint) with 1916 date, broad arrow, and model name.

W. Ottway & Co was established in 1640 at Orion Works, Ealing in London. They became well established opticians and by the late 1800s were manufacturing a wide range of different scientific instruments. According to Ottway's catalogue in 1899 they were manufacturers of; "Naval and Military Gunsighting, Telescopes, Theodolites, Tacheometers, Levels, Miners' Dials, Prismatic Compasses, Heliographs, Equatorials, Driving Clocks, Filar Micrometers, Coelostats, Transits, Mirrors, Flats, Naval, Military and Astronomical Telescopes, Prismatic Binoculars, Sextants, Auto Collimators, Star Image Collimators, Focometers, Clinometers, Clinometer Testing Instruments, Spectrometers, Spectroscopes, Ships' Electric Logs, Workshop Microscopes and Optical Measuring Tools, Brass Copper and Nickel Silver Mandrel Drawn Tubes.