セオドライト - Level - 1940-1950 - Cowley

Cowley Level precision instrument dating from circa 1940–1950, with dimensions 15 cm by 14 cm by 7 cm, made of steel, glass and leather, in nearly new physical condition and untested functional state, supplied with its original leather case and a red iron rod that inserts into the red hole, the blue hole being the eyepiece and the green part the objective.