Plan your visit. 225 Madison Avenue at 36th Street, New York, NY 10016.

Plan your visit. 225 Madison Avenue at 36th Street, New York, NY 10016.

Autograph letter signed : Berlin, to Pierre Maupertuis, 1748 Oct. 22.

BIB_ID
299794
Accession number
MA 3871.38
Creator
Euler, Leonhard, 1707-1783.
Display Date
1748 Oct. 22.
Credit line
Gift of H.P. Kraus, 1979.
Description
1 item (4 p.) ; 23.3 cm
Notes
Part of a large collection of letters from Euler to Maupertuis. Items in the collection are described in individual records; see MA 3871 and MA 3872 for details.
Summary
Discussing his hypothesis (since proven wrong) that an eclipse of the sun may be the result of the moon having a tenous atmosphere; suggesting how this theory could be tested; writing about a scheme he is having executed for the manufacture of liquid-filled telescope objective lenses.