»Le
Mégascope Héliographe de Bertsch«, c. 1820
Solar Magic Lantern.
Size: 23 x 10 x 12 in. With French description by Dr. E. Trutat, Toulouse,
France. The (better) counterpart of the famous 'Mégascope' by Chevalier!
Estimate: € 2,000/3,000
US$ 2,400/3,600
Reserve: € 1,750/US$ 2,100
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