A very unusual small venetian telescope in horn, cardboard and vellum with a Galilean optical configuration.
The small telescope measures only 15,7×23,5 cm with its two caps.
The optics has only two lens (and not a multiple-lens eyepiece as usual) : one for the eyepiece and one for the objetive, the first biconcave and the second one biconvexe.
The small telescope is in pristine condition, mounted in horn, with its two horn caps preserved.
A rare diminutive Italian form of refracting telescope.
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Established by Alexandre Piffault in 2014 and based in Paris at 5 rue de Condé, 75006, very close to Odéon, Le Zograscope specializes in antique and rare books in Science, Medicine and Technology, and rare antique instruments in the same fields. We have especially a strong interest in early and continental microscopy, early and special mathematical/drawing instruments, medical and surgical instrument, and rare technology.