YOU ARE BIDDING ON HUGE LOT VINTAGE ELECTRONIC PARTS -ROTARY SELECTOR SWITCHES- MULTIPLE KNOBS-TUBE RECEPTACLES @ MORE THEY ARE IN PERFECT OPERATING CONDITION This lot of vintage parts probably was removed from a fine electronic test device, we assume that R refers to Raytheon Company. THESE PARTS COME FROM A FINE INSTRUMENT DESIGNED AND MADE IN USA PROBABLY IN 50`s or 60`s NOT A CHEAP CHINESE REPLICAS
Dwyer A3304 Pressure switch/gage, range 2-0-2" w.c. Service: Air and non-combustible, compatible gases. Accuracy: +/-2% of full scale at 70Deg F (21.1Deg C).
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