Condenser Calibration Box

Description

Condenser Calibration Box, 1922-1923
Condenser Bank Calibration, within a wooden case. Invented by Tony Longorio, an inventor with a lab at the corner of Clifton and 117th St. Cleveland, OH - G. B. Schneeberger assisted.

This box was used in a demonstration of radio and resulted in the first radio station in Cleveland WTAM in 1922 - 1923.

H: 5 1/2 W: 7 1/16 D: 4 1/2 in.

From the Estate of John A. Davidson, Jr. Proceeds to benefit the APL of Lorain County and the Dittrick Museum. Formerly belonged to G.B. Schneeberger, electrical engineer with Cleveland Illuminating Company.

Condition

Lid top has separated from the sides. Surface grime to black painted dial. Two missing nuts (one replaced).

Buyer's Premium

25% up to$1,000,000.00

20% above$1,000,000.00

Condenser Calibration Box

Lot 0017

Estimate $200-$400Feb 25, 2026, 10:00 AM EST

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Feb 25, 2026 10:00 AM EST

Cleveland, OH, United States

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