Foster, S. (1659). The geometrical square, with the use thereof in plain and spherical trigonometrie: Chiefly intended for the more easie finding of the hour and azimuth. Printed by R. & W. Leybourn.
Chicago-Zitierstil (17. Ausg.)Foster, Samuel. The Geometrical Square, with the Use Thereof in Plain and Spherical Trigonometrie: Chiefly Intended for the More Easie Finding of the Hour and Azimuth. London: Printed by R. & W. Leybourn, 1659.
MLA-Zitierstil (9. Ausg.)Foster, Samuel. The Geometrical Square, with the Use Thereof in Plain and Spherical Trigonometrie: Chiefly Intended for the More Easie Finding of the Hour and Azimuth. Printed by R. & W. Leybourn, 1659.
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