Synchronous motor on frame
Inventory NumberRS1251
ClassificationMotor
Maker
Emory Leon Chaffee
?
1885 - 1975
Dimensions8 x 19 x 16 cm, 2 lb. (3 1/8 x 7 1/2 x 6 5/16 in., 0.9 kg)
DescriptionSynchronous motor on frame, Chaffee Eye Experiment?
Signedplate on motor: N.P.183 REG. U.S. Telechron PAT. OFF. / TYPE B3 SYNCHRONOUS MOTOR 60 R.P.M. / MOD. 94M164 SER. 174489A / V. 110 CYC. 60 W 4 / LICENSED ONLY FOR USE WHICH ORIGINALY SOLD / PAT. OCT. 29, '18 OCT. 3, '22 MAY 22, '23 JULY 14, '25 1768386 / WARREN TELECHRON CO., ASHLAND / MASS. U.S.A.
Historical AttributesChaffee Eye Experiment?
Emory Leon Chaffee
Date: circa 1930
Accessories: green canvas-covered wood box with a brass snap enclosure
Object number: RS1468
Emory Leon Chaffee
Date: 1910
Object number: RS1189
Emory Leon Chaffee
Date: circa 1910
Object number: RS1190
Emory Leon Chaffee
Date: circa 1910
Accessories: Separate baffle, cylindrical with flared edge.
Object number: RS1230
Emory Leon Chaffee
Accessories: Cylindrical vacuum tube.
Object number: RS1250
