HOLTZAPFFEL AND CO. |
England, fl.1851-94, MIM |
Slide Rule, George Ram-type = P.C; T-Square = D.(1971); Protractor and Rule = BIR; Sector, ivory = OXF; Screw Calipers = BIR; Gauging Calipers = BIR; Drawing Instrument Sets = Christie 7/5/71, Soth. 11/1/65; Protractors = Phillips 11/16/76, D.(1972). |
"established A.D. 1794." |
64 Charing Cross, London; Manufactory at 127 Long Acre; London (1855). |
O'Mara; Moskowitz 102; G.L'E. Turner 24; Delehar 2; RSW; Chaldecott 3; RGO. |
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