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 instru- ments. By the Reverend Mr. Ludlam.
Cambridge, Printed by J. Archdeacon printer to the University: for T. Cadell, successor to Mr. Millar, in the Strand, London. M.DCC.LXIX. [1769]
3 p.l., 148 p. 8 fold.pl. 27cm. (4to) "Errata": recto of 3d prelim. leaf. MB