TY  - GEN
T1  - The description and use of a portable instrument, vulgarly known by the name of Gunter's quadrant... To which is added, the use of Nepiar's bones ... Collected and digested ... for the use of young practitioners. By William Leybourn.
DA  - 1721.
CY  - London :
AU  - Leybourn, William,
ET  - The second edition.
PB  - printed for J. Wilcox,
PP  - London :
PY  - 1721.
N1  - A reissue of the first edition of 1685. (Wing G 2243) with a cancel titlepage.
N1  - Reproduction of original from British Library.
ID  - 542924
KW  - Mathematical instruments.
KW  - Quadrants (Astronomical instruments)
TI  - The description and use of a portable instrument, vulgarly known by the name of Gunter's quadrant... To which is added, the use of Nepiar's bones ... Collected and digested ... for the use of young practitioners. By William Leybourn.
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ER  -