His general accuracy was further put to the test in A.D. 1793 by our scientific countryman, Dr. W. Hunter, who compared a series of observations on the latitude of Ujjain with that established by the Rajput prince. The difference was 24″; and Dr. Hunter does not depend on his own observations within 15″. Jai Singh made the latitude 23° 10´ N.; Dr. Hunter, 23° 10´ 24″ N. From the results of his varied observations, Jai Singh drew up a set of tables, which he entitled _Zij Muhammadshahi_, dedicated to that monarch; by these, all astronomical computations are yet made, and almanacks constructed. It would be wrong—while considering these labours of a prince who caused Euclid’s Elements, the treatises on plain and spherical trigonometry, ‘Don Juan,’ Napier on the construction and use of logarithms, to be translated into Sanskrit—to omit noticing the high strain of devotion with which he views the wonders of the “Supreme Artificer”; recalling the line of one of our own best poets:[9.2.9] An undevout astronomer is mad. The Rajput prince thus opens his preface: “Praise be to God, such that the minutely discerning genius of the most profound geometers, in uttering the smallest particle of it, may open the mouth in confession of inability; and such adoration, that the study and accuracy of astronomers, who measure the heavens, may acknowledge their astonishment, and utter insufficiency! Let us devote ourselves at the altar of the King of Kings, hallowed be his name! in the book of the register of whose power the lofty orbs of heaven are only a few leaves; and the stars, and that heavenly courser the sun, small pieces of money, in the treasury of the empire of the Most High. “From inability to comprehend the all-encompassing beneficence of his power, Hipparchus is an ignorant clown, who wrings the hands of vexation; and in the contemplation of his exalted majesty, Ptolemy is a bat, who can never arrive at the sun of truth: the demonstrations of Euclid are an imperfect sketch of the forms of his contrivance. “But since the well-wisher of the works of creation, and the admiring spectator of the works of infinite wisdom, Sawai Jai Singh, from the first dawning of reason in his mind, and during its progress towards maturity, was entirely devoted to the study [359] of mathematical science, and the bent of his mind was constantly directed to the solution of its most difficult problems; by the aid of the Supreme Artificer, he obtained a thorough knowledge of its principles and rules,” etc.[9.2.10]