GAVARD, ADRIEN |
France, c.1840, MIM |
Heliographs = CNAM; Pantograph = D; Drafting Machine = D.(1987). |
"Eseur du Dépôt général de la Guerre"; drafting machine marked "Par Brevet d'Iven"; patented a "perspectographe", a perspective machine. |
6 rue Ventadour; Quai des Orfèvres, 70; both in Paris. |
USNM; Cons. Nat'l 1; Destombes 4; Coffeen 15; Delehar 7. |
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