Dark green stone shaped like an astrolabe. Incised on both sides. Three circular perforations along with three incised arc scales on front. Set of elliptical circles and triangular device on back. Not necessarily modern; V. Sharma thinks this may be 18c. from Jaipur. b.s. 3/24/97
Inscription/Sig.
Front side at top inscribed with date and name of school or with possible date of 1799.; Amera Vedhasala = Amer observatory; 1766 [Sain] = 1709; Both read by V.N. Sharma, 4/15/96
