Measures 0 - 500 Roentgens Per Hour
Dimensions are: 6½" Long x 5" High x 4" Wide This unit was manufactured by the Canadian Admiral Corporation, LTD
Uses one "D" size 1½ volt battery.
Serial Number: 6314
Instructions for use are in English and French.
Left And Right Side Views
Top View
View of control panel & model sticker
overlay
Note: This is a Canadian Military IM-108B/PD
I lifted the above sticker to verify. I believe this is a Civil Defence version
because of the color of the bottom cover and the fact that all military references
are covered up.