Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,369 pages of information and 233,846 images on early companies, their products and the people who designed and built them.
1933 Midgley Leighton Ltd changed its name to Midgley Harmer Ltd.
Manufactured an amplifier and loudspeakers and a radio gramophone designed by Albert Henry Midgley.
WWII Midgley Harmer Ltd designed and manufactured fuses for bombs, including the W-bomb used by the RAF, and the fuse for the Barnes Wallis Tallboy bomb.