Sears Tower Model 6156 GM Meter (ca. 1955-1960)

Antiques > Scientific-Medical Dealer: White River Architectural Salvage & Antiques Contact: Debbie M. Keys - Email Dealer
Price: $35.00 USD  - Currency Converter Shipping inside United States: Quoted at time of purchase Shipping outside United States: Quoted at time of purchase

Description: This GM survey meter was manufactured for the Sears Roebuck Company by El-Tronics Inc. of Philadelphia. A very similar instrument was sold under the El-Tronics name as the Model PR-4. The latter was described in the Atomic Energy Commission Instrument Catalog as follows: "Light weight field geiger survey meter for location of radioactive ores; provides visual and audible indication of radioactivity by flashing neon light and loud clicks in phones." Detector: GM tube, 30 mg/cm2 wall. Size: ca. 4" x 7" x 1 3/4". Weight: ca. 3 lbs. Output: No speaker but it has a phone jack and a small light that flashes according to the count rate. Batteries: two 1 1/2 volt. The GM tube is mounted inside the case at the bottom. The thin mylar window covering the tube is missing. Headphones are not included. The flashing neon light is missing its protective cap.

Status: For Sale	Reference#: 0725200701
Condition: Good	Year: 1950s
Country: United States
Title: Sears Tower Model 6156 GM Meter (ca. 1955-1960)

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