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Astronomical observations made in St. John's College, Cambridge, in the years 1767 and 1768...

by Ludlam, William
Published 1769

Printed by J. Archdeacon printer to the University. For T. Cadell, successor to Mr. Millar, in the Strand, London

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Directions for the use of Hadley's quadrant : with remarks on the construction of that instrument. With considerable corrections and additions. By the Reverend Mr. Ludlam, Late Fel...

by Ludlam, William
Published 1790

1790. Printed for Nairne, mathematical and optical instrument-makers to His Majesty, opposite the Royal - Exchange, and J. Sewell, Bookseller, Cornhill

Subjects: “...Quadrants (Astronomical instruments) / Early works to 1800...”

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The theory of Hadley's quadrant, or the rules for the construction and use of that instrument demonstrated. By the Reverend Mr. Ludlam

by Ludlam, William
Published 1771

printed by R. Hett, and sold by T. Cadell, in the Strand

Subjects: “...Quadrants (Astronomical instruments) / Early works to 1800...”

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Directions for the use of Hadley's quadrant : with remarks on the construction of that instrument. By the Reverend Mr. Ludlam

by Ludlam, William
Published 1771

printed by R. Hett, and sold by T. Cadell, in the Strand

Subjects: “...Quadrants (Astronomical instruments) / Early works to 1800...”

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