Cetta, John (1838-40)
Cetta, John, London, looking-glass and barometer maker, picture and looking-glass frame maker (1838–40). At 7 Union Ct, Black Hill, Holborn in 1838, but by the next year had moved to 15 Brook St. [D]
The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.