Vintage NCA RCR-1 Scaler Ratemeter + Probe + AK-3 Case & Manuals – WORKING For Sale

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Vintage Nucleonic Corp. of America radiation laboratory set, including the General Scaler-Ratemeter Model RCR-1, original probe, Atomic Laboratory AK-3 case, and original documents. Extremely rare complete set from the 1950s.

❗ Unit powers on and functions properly:

• HV Adjust responds

• Ratemeter responds smoothly

• Probe reacts when connected

• Indicator lamps illuminate

• Timer runs

• Speaker volume (SPKR) works and produces normal pulse/noise response

• Mechanical counter present – begins to move occasionally when switching ranges

• Green HV/Scaler lamp no longer lights – bulb likely burned out (common for units of this age)

❗ Includes original paperwork:

• Operating Instructions for NCA Geiger Tubes & Multiplier Tubes

• Guarantee certificate

• “Atomic Education Equipment” booklet

• Additional charts and documents

❗ Original Atomic Laboratory AK-3 case included

⚠️ Vintage equipment – no further calibration performed

⚠️ Sold AS-IS

Beautiful mid-century nuclear science instrument for collectors, museums, educators, or display.

If you have any questions, feel free to ask!