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 138,968 pages of information and 225,312 images on early companies, their products and the people who designed and built them.

Monitor Patent Safety Devices

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1932.
1951. Advert for flow monitors, flow meters, pressure alarms, thermostats and other items.
April 1952.

of Monitor Works, Wallsend-on-Tyne

of Kings Road, Wallsend-on-Tyne

1937 Manufacturers of flow indicators and alarms. "Monitor" Patent Safety Device. [1]

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