Bolton & Barnitt
Importers and manufacturers of chemicals and of photographic materials and equipment, with offices at 146 Holborn Bars, London.
Source
Post Office London directory 1862–8
Bibliography
Post Office London directory: Post-Office annual directory. … A list of the principal merchants, traders of eminence, &c. in the cities of London and Westminster, the borough of Southwark, and parts adjacent … general and special information relating to the Post Office. Post Office London directory. London: His Majesty’s Postmaster-General [and others]. 1802–1967.
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