The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this Art. With a New Set of Accurate Mathematical Tables |
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Términos y frases comunes
acres altitude angle Answer arch base bearing called centre chains chord circle column compasses contained contents correction Cosine decimal departure describe difference direct distance divided divisions draw drawn east edge equal error EXAMPLE extended feet figure four four-pole fourth give given glass greater ground half height Hence horizon inches laid latitude length less logarithm manner marked measure meridian distance method minutes multiplied object observed opposite parallel perches perpendicular plane prob PROBLEM proportion quadrant quotient radius reduce remaining right angles right line root rule scale secant sect side sights sine square station suppose survey taken tangent term theo third triangle triangle ABC true whole
Pasajes populares
Página 49 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Página 41 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, &c.
Página 41 - The radius of a circle is a right line drawn from the centre to the circumference.
Página 45 - A lemma is something which is premised, or demonstrated, in order to render what follows more easy. A corollary is a consequent truth derived immediately from some preceding truth or demonstration.
Página 35 - DIVISION BY LOGARITHMS. RULE. From the logarithm of the dividend subtract the logarithm of the divisor, and the number answering to the remainder will be the quotient required.
Página 21 - Then multiply the second and third terms together, and divide the product by the first term: the quotient will be the fourth term, or answer.