Elements of Plane and Spherical Trigonometry: With Their Applications to Mensuration, Surveying, and Navigation |
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50 cents 75 cents ABRAHAM MILLS Algebra altitude angle of elevation arc corresponding arithm Astronomy base chain chord circle circumference Co-tangent College column headed complement computed correction cosecant cosine course diameter diff difference of latitude difference of longitude Dist divided equator fifth figure find the angles find the area find the Logarithm fraction frustum Geometry given number Given the angle half height Hence horizontal inches length logarithmic sine longitude measured meridian middle latitude miles minutes Multiply Muslin natural number natural sine number of degrees number of seconds parallel parallel sailing perpendicular plane sailing Prop proportional quadrant Required the logarithmic right-angled spherical triangle right-angled triangle RULE Sandy Hook scale secant Sheep extra spherical triangle spherical triangle ABC station subtract tabular number tang Tangent telescope theodolite Trigonometry vernier vertical yards ΙΟ