Coincidence Rangefinder at Fort Casey

Name/Title

Coincidence Rangefinder at Fort Casey

Entry/Object ID

2024.RSC.460

Description

Photograph of four individuals gathered around an 11-foot coincidence rangefinder at Fort Casey. The individual second from left is operating the range finder while the rest observe. A coincidence rangefinder or coincidence telemeter is a type of rangefinder that uses the principle of triangulation and an optical device to allow an operator to determine the distance to a visible object. The range finding pit was infilled below the mortars at the beginning of World War II (1939/1940). Photo c. early 1940s but printed 22 August 1970 at The Little Gallery in Oak Harbor.

Photograph Details

Subject Place

Location

Fort Casey

City

Coupeville, Washington

County

Island County

State/Province

Washington

Region

Cascades and Plateau, Whidbey Island

Continent

North America

Collection

Roger Sherman Collection

Relationships

Related Person or Organization

Person or Organization

The Little Gallery