Ventometer large bore anemometer (Patent) Books The sight attaches to the

The sight attaches to the side of the receiver via a spring-loaded arm and clamp system

reflecting Commonwealth wartime production efforts to supply Britain and Allied forces during the height of WWII

” Canadian-made examples are scarcer than their British counterparts

Widely exported to communist-aligned forces during the Cold War

Ventometer large bore anemometer (Patent) Books The sight attaches to theA smalll bore ventometer used to measure wind resistance and velocity. Features a graduated scale with clear markings, precision screw adjustment, and an engraved "Patent" marking on the body, indicating an original and innovative design. Made from high quality brass and steel components for durability and precision.