Pay in 4 interest-free payments of $22.49 Learn more
Ships within 48 hours · Estimated delivery Nov 7 - Nov 12
aluminium dial with black painted centre and luminous paper markers
Soon afterwards he was assigned to military service in Egypt
as they are simple and accurate'
Steward advert at the rear
featuring his favourite Sopwith Camel and a deadly duel with a German ace
Optical Square Rangefinder c.1905 R. H. Stocken aluminium dial with black paintedAn Optical Square rangefinder, dating from c. 1905, complete with its original fitted leather case. Reputed to have been invented by George Adams Senior in the middle of the 18th century, the optical square appeared in the 1795 catalogue of George Adams Junior as 'A small instrument for surveying by right angles'. In the 1907 Negretti & Zambra catalogue it was described as being used 'for fixing a right angle, and in the laying off of offsets'. A
