Name
- Price, Bolton and Filder, solicitors, fl 18611
- Reade, Joseph Bancroft, vicar of Stone, Buckinghamshire, microscopist and experimenter in photography, 1801-18701
- Richard and John E. Taylor, printers and publishers, fl 1837-18511
- Rodwell & Martin, publishers, fl 1821-18221
- Silvester, William Henry, alias Martin Laroche, photographer and jeweller, 1814-18861
- Sowerby, George Brettingham, conchologist and natural history dealer, 1788-18541
- Telfer, Tobias, photographic assistant, fl 18471
- Treuttel et Würtz, booksellers and publishers, 1770-1841?1
- W. Banks and Son, engravers, printers and lithographers, fl 1861-18631
- Watkins and Hill, opticians, optical, mathematical and philosophical instrument makers, 1818-18561
- Wheatstone, Charles, Knight, developer of telegraphy, 1802-18751
- Williams and Norgate, publishers, London, 1843-1
- Wyld, James, the elder, cartographer and geographical publisher, 1790-18361