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细节
LUDLAM, William (1717-1788). Astronomical Observations Made in St. John's College, Cambridge in the Years 1767 and 1768: with an account of several astronomical Instruments. Cambridge: J. Archdeacon, 1769.
4o (252 x 205 mm). 8 engraved folding plates. Contemporary sprinkled calf, spine gilt with red morocco lettering piece. Provenance: M. Boulton (bookplate).
FIRST EDITION. Ludlam made his observation in the observatory of St. John's College in Cambridge. He "enjoyed a considerable reputation at the time for his skill in practical mechanics and astronomy, as well as for his mathematical lectures. In 1765 he was a member of the committee of outside experts appointed by the board of longitude to examine John Harrison's fourth chronometer" (DNB).
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FIRST EDITION. Ludlam made his observation in the observatory of St. John's College in Cambridge. He "enjoyed a considerable reputation at the time for his skill in practical mechanics and astronomy, as well as for his mathematical lectures. In 1765 he was a member of the committee of outside experts appointed by the board of longitude to examine John Harrison's fourth chronometer" (DNB).