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Geiger Counter

DLSPH Occupational Health

A grey-brown instrument incorporating a handle. On the upper face above the handle are three knobs and a gage that reads in milliroentgens per hour. A silver-coloured tube, attached to the instrument by a black spiral cable, protrudes from the top of the instrument. The angle of this tube is adjustable relative to the body of the instrument.

Accession Number: 2016.phlt.1.95

Alternative Name:

Primary Materials: Metal


On the bottom face of the instrument is a sticker that reads:

“Occupational Medicine & Hygiene
University of Toronto
(416) 978-2745″

The maker’s label provides the following information:
“Mod. 2650
Ser. 664”

Dimensions (cm):

Length = 41, Width = 10.1, Height = 12.5


This instrument is used to detect and measure radiation.


Very Good: The adjusting knobs are slightly corroded

Associated Instruments:


nuclear-chicano corporation, Des Plaines, Illinois

Date of Manufacture:


Additional Information and References:

Historical Notes: