United States Navy
Radiac Set


Measures 0 - 500 milliroentgens Per Hour / 4 Range Scales
Measures Gamma, Detects Beta. / Uses 2 Geiger Mueller Tubes
Manufactured By: Admiral Corporation

Uses the following batteries:
(4)  RG-4B Mercury Cells / (2)  67½ volt type "B" batteries / (1) BA 261/U 22½ volt battery

 Dimensions: 10" x 5¾" x 7½"
Serial Number : 154

Government cost in 1969: $147.75

AN/PDR-27H Radiac Set
Includes: CY-1296/PDR-27F Case S/N: 6788
Technical Manual & Updates / Headphones / Shoulder Strap
/ Probe Wrench / Allen Wrench

Field Change 1 : Increases the time constant of the indicating circuit.

Inside View
No tubes have been removed, but working condition is unknown.

Note: The AN/PDR-27 series has been replaced by the AN/VDR-2.

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