Mathematiker und Astronom (1765-1831). Autogr. manuscript. O. O. u. D. 3 SS. auf Doppelblatt. 8vo.
$ 19,669 / 18.500 €
(940644/BN940644)
Vivid algebraic word problem with five unknowns, solution, and discussion. Some brownstaining; label mounted on reverse of 2nd leaf.