Historical information

Used for measuring the intensity of gamma-radiation and x-rays, and detecting beta rays.

Physical description

Grey, rectangular Geiger counter box with two black dials and viewing window with measurement scale. Four slits in top with setting dial on upper right side.

Inscriptions & markings

Embossed sticker (top of front): 'CALIBRATED DEC. 68 / MULT. READINGS BY I.3'
Labels on dials and measurement viewing window.