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Lot 049 - Antique Ritter Dual-Gauge Meter Panel Salvaged from an X-Ray Machine, A.C. Volts and D.C. Milliamperes Gauges, Manufactured by Roller-Smith Co., Bethlehem, Pennsylvania, U.S.A., Ritter Dental Mfg. Co., Rochester, New York, Circa 1915, 8-1/2" H

Lot 049 - Antique Ritter Dual-Gauge Meter Panel Salvaged from an X-Ray Machine, A.C. Volts and D.C. Milliamperes Gauges, Manufactured by Roller-Smith Co., Bethlehem, Pennsylvania, U.S.A., Ritter Dental Mfg. Co., Rochester, New York, Circa 1915, 8-1/2" H

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Antique dual-gauge meter panel salvaged from a Ritter X-ray machine, circa 1915. The panel houses two round Ritter-branded gauges in a black-painted metal housing. The upper gauge is an A.C. Volts meter (Type TA) with a scale reading 0 to 150, and the lower gauge is a D.C. Milliamperes meter (Type TD) with a scale reading 0 to 15, printed with the warning "Never Use More Than 10 Milliamps." Both gauges are marked "Ritter" and were manufactured by Roller-Smith Co., Bethlehem, Pennsylvania, U.S.A.

The panel is attributed to the Ritter Dental Mfg. Co., Rochester, New York. The gauge faces show discoloration and spotting. The housing has paint wear and surface oxidation, with copper-toned mounting screws at each gauge.
Dimensions: 4-1/4" L x 4" W x 8-1/2" H

Auction Date: 06/11/2026

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