United Optical Instruments

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

United Optical Instruments were based in Southend-on-Sea, England. They are known to have made at least two cameras, in the 1930s^[1]:

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