A very rare form of handle topographic and maritime prismatic compass invented around 1908 by Alphonse Berget and preserved in its original traveling case. The present example is not signed by the makers were Vion or Morin.
Alphonse Berget was an important French physicist, geophysicist and oceanographer.
For a contemporary printed description, see the last pictures extracted from La Nature, 1908.
Size of the box : 14,3×6,5 cm and of the instrument in using position :
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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.