Addresses for Silversmiths, Archibald/ Frances Douglas?

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Hi there

Does anyone know the addresses listed for the silversmiths, Archibald Douglas and Frances Douglas? I have been searching for them but to no avail.
Any help would be very much appreciated

Many thanks

[MCB]

information on the earlier years of Archibald Douglas is in London Goldsmiths 1697-1837 Their Marks & Lives 3rd edition page 493 by Arthur G Grimwade.
Further detail for him can be found within this forum's Grimwade's Biographies Updates section.
Mention of his wife Frances is in The Directory of Gold & Silversmiths Jewellers & Allied Traders 1838-1914 Vol. I p.126 by John Culme.

Mike