APeM
In 1921 the company was formed as Amalgamated Photographic Manufacturers Ltd., London, or APM 1921. It was derived from a merger of seven British companies. In 1928 four of the seven, the ones which were in the film business, became APeM Ltd. (Amalgamated Photographic Equipment Manufacturers) and subsequently became part of Ilford.
APM 1921 (the original seven companies) comprised:
- Kershaw Optical Co. Ltd.
- A. Kershaw & Son Ltd.
- Marion & Foulgar Ltd.
- Rotary Photographic Co. Ltd.
- Rajar Ltd; Paget Prize Plate Co. Ltd.
- Marion & Co. Ltd.
In 1928, Kershaw Optical Co. Ltd. , A. Kershaw & Son Ltd. and Marion & Foulgar Ltd. became Kershaw-Soho Ltd. They later became part of the J. Arthur Rank Organisation.
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| British companies | ||
| Adams & Co. | Agilux | Aldis | APeM | Aptus | Artima | Barnet Ensign | Beard | Beck | Benetfink | Billcliff | Boots | British Ferrotype | Butcher | Chapman | Cooke | Corfield | Coronet | Dallmeyer | Dekko | De Vere | Dixons | Dollond | Elliott | Gandolfi | Gnome | Griffiths | G. Hare | Houghtons | Houghton-Butcher | Hunter | Ilford | Jackson | Johnson | Kentmere | Kershaw-Soho | Kodak Ltd. | Lancaster | Lejeune and Perken | Lizars | London & Paris Optic & Clock Company | Marion | Marlow | Meagher | MPP | Neville | Newman & Guardia | Pearson and Denham | Perken, Son and Company | Perken, Son & Rayment | Photopia | Purma | Reid & Sigrist | Reynolds and Branson | Ross | Ross Ensign | Sanderson | Sands & Hunter | Shackman | Shew | Soho | Standard Cameras Ltd | Taylor-Hobson | Thornton-Pickard | Underwood | United | Watkins | Watson | Wynne's Infallible | Wray |
