The Drift Sight was a bombsight developed by Harry Wimperis in 1916 for the Royal Naval Air Service (RNAS). It used a simple mechanical device to measure...

role in the development of radar in England. In 1916 he introduced the Drift Sight, which added a simple system for directly measuring the wind speed. The...

with a drift measure similar to the one from the earlier Drift Sight. Like the Drift sight, simply taking a measure of the wind using the sight itself...

A drift meter, also drift indicator and drift sight, is an optical device used to improve dead reckoning for aircraft navigation by measuring wind effect...

A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. It is equipped with some form of...

Mechanical devices were also used to aid the accuracy of aerial bombing. Drift Sight was the first such aid, developed by Harry Wimperis in 1916 for the Royal...

out the drift rate, fed to it through a coupling. As the aircraft turned onto the correct angle, a belt and pulley system rotated the sight back to match...

5, September/October (1995): 25-38 Romney, Jonathan. "The Same Dark Drift." Sight and Sound, Vol. 1, No. 11 (1992): 24-27 Romney, Jonathan. "Brothers...

dive. The observer/navigator position was equipped with a Type 97 Mk1 drift sight, which was a long vertical tube located in the front-left of the observer's...

roles in a prone position within the aircraft's nose. For bomb-aiming, a drift sight, camera, and steering control over the auto-pilot were provided; directly...