Mackay, The theory and practice of finding the longitude, 1801, bound with 2 others, 2 volumes

MACKAY, ANDREW (1758-1809)

The theory and practice of finding the longitude at sea or land... Second edition, improved and enlarged. Aberdeen: printed for the author by J. Chalmers, 1801, half-titles, engraved portrait and 8 folding plates, "addenda et corrigenda" leaf at end of vol.2, bound with:

The description and use of the sliding rule. London: printed for W. Heather [&c.], 1799, FIRST EDITION, advertisement leaf at end; The commencement of the nineteenth century, determined upon unerring principles. Aberdeen: printed for the author by W. Rettie, 1800, FIRST EDITION, advertisement leaf at end; together 3 works in 2 volumes, 8vo (212 x 130mm.), contemporary tree calf, spines decorated in gilt with red morocco labels, portrait very slightly stained 

LITERATURE:

Tomash & Williams M14 (also M10, M8); ESTC T91216, T91123, T11437 

PROVENANCE:

Peter Macdougal, signature on title of last work

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