Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,478 pages of information and 233,901 images on early companies, their products and the people who designed and built them.

Cutler-Hammer Manufacturing Co

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1893 The Cutler-Hammer Manufacturing Co. was incorporated by Harry Henderson Cutler and Edward West Hammer, specializing in electric starter motors, speed regulators and field rheostats

1900 Developed first automatic motor starter

1901 the company designed the control equipment for the Panama Canal.

By the 1930s, had obtained 28 patents for the use of vacuum valves to control heavy currents

1978 Cutler-Hammer became part of Eaton Corporation adding power control and switching devices to Eaton's product range.

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