BEING RESEARCHED - Sperry Aircraft Instrument Synchronous Motor by Telechron - NOT FOR SALE TIL IDed

This is an unidentified aircraft instrument dated 1954 on reverse. The instrument has a Sperry maker mark on its face and has a plate reading SYNCHRONOUS MOTOR by TELECHRON on reverse.

Circa unknown (4-6-54 written on reverse).

Approximately 4-1/2" square and 7" in depth.

Glass, steel, brass.

Screws, nuts, holes, plug.

SPERRY mark, REG. U.S. PAT. OFF. on face; PART NO. 12300 SERIAL 6148 PATENTS PENDING UNITED STATES GREAT BRITAIN CANADA; 201 WRITTEN ON SIDE; 12296 ON REVERSE; REG. U.S. PAT. OFF. MADE IN U.S.A. TELECHRON SYNCHRONOUS MOTOR TYPE B3 V110 C60 MOD. 654M195 RPM 4 W-4 ONLY FOR USE WHICH ORIGINALLY U.S. PATENT 430867 1456082 1495936 1546269 176838 SER. NO. WARREN TELECHRON CO. ASHLAND, MASS. on plate on reverse; F 12298, 96T stamp, 4-6-54 date, OVERHAUL NORFOLK sticker on top.

This is from an accumulation of unidentified items which we will be listing more of over the next few months. Item will not be sold until it is identified. LX8/12

7+ (Very Fine+): The instrument shows some light to medium wear.

As with all my artifacts, this piece is guaranteed to be original, as described.