Tables of difference of latitude and departure : constructed to every quarter of a degree of the quadrant, and continued from one, to the distance of one hundred miles or chains.

Authors: Robertson, J. (John), 1712-1776
Published: Printed by Bonsal and Niles, for Zachariah Jess, 1799

Physical Description: 1 unnumbered page, 1-3, 5-91 pages, 3 unnumbered pages, 59 pages, 1 unnumbered page ; 21 cm (8vo)

Authors: Robertson, J. (John), 1712-1776
Published: Printed by Bonsal and Niles, for Zachariah Jess, 1799

Physical Description: 1 unnumbered page, 1-3, 5-91 pages, 3 unnumbered pages, 59 pages, 1 unnumbered page ; 21 cm (8vo), Microform version available in the Readex Early American Imprints series.

Authors: Robertson, J. (John), 1712-1776
Published: Printed for, and sold by, Joseph Crukshank, no. 87, High-Street, between Second and Third-Streets, 1796

Physical Description: 1 unnumbered page, 90 pages, 1 unnumbered page ; 20 cm (8vo)

Authors: Robertson, J. (John), 1712-1776
Published: Printed for, and sold by, Joseph Crukshank, no. 87, High-Street, between Second and Third-Streets, 1796

Physical Description: 1 unnumbered page, 90 pages, 1 unnumbered page ; 20 cm (8vo), Microform version available in the Readex Early American Imprints series.

Authors: Robertson, J. (John), 1712-1776
Published: Printed and sold by Joseph Crukshank, in Market-Street, between Second and Third-Streets, 1790

Physical Description: 1 unnumbered page, 90 pages, 1 unnumbered page ; 20 cm (8vo), Microform version available in the Readex Early American Imprints series.

Authors: Robertson, J. (John), 1712-1776
Published: Printed and sold by Joseph Crukshank, in Market-Street, between Second and Third-Streets, 1790

Physical Description: 1 unnumbered page, 90 pages, 1 unnumbered page ; 20 cm (8vo)

Authors: Robertson, J. (John), 1712-1776
Published: Printed and sold by Joseph Crukshank, in Market-Street, between Second and Third-Streets, 1790

Physical Description: 1 unnumbered page, 90 pages, 1 unnumbered page ; 20 cm (8vo)