Johnson and Sons Assayers
From Graces Guide
of Finsbury, London
- 1743 Company established. There are three companies owned by the same family:
- 1914 Assayers to H M Mint, the Bank of England and the Council of India. Specialities: Assaying, melting and refining gold and silver bullion; testing of metallurgical processes and ores; manufacturing of chemicals for assay and mining purposes, for photography, process work and electro-plating; packing of photographic chemical specialities and pure chemicals for general purposes. Employees 220. [1]
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