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of 79 Great Portland street, Marylebone, London
of 87 Grange Road, Bermondsey, London SE1
of 103 Great Portland Street
1825 Company established
Messrs Heinke became Heinke and Co at some point
presumably Charles Edwin Heinke was involved at some stage.
1914 Submarine engineers, manufacturers of diving apparatus and India rubber goods. 
1921 Dissolution of the Partnership between Frederick Henry Sprang, Edwin Charles-Lacey, James Henry Blake and James Holman, carrying on business as Submarine Engineers and India-rubber Manufacturers, at 86, 87A, 87, 88 and 89, Grange-road, Bermondsey, in the county of London, under the style or firm of C. E. HEINKE & CO. The business was carried on by C. E. Heinke & Company Ltd., at 87. Grange-road
1937 India rubber manufacturers. 
1961 Acquired by Siebe, Gorman and Co