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A Treatise of Practical Surveying: Which Is Demonstrated From Its First ...
Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018
A Treatise of Practical Surveying: Which Is Demonstrated from Its First ...
Department of Radiology Royal Melbourne Hospital Robert Gibson,Robert Gibson
Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2015
acres angle Answer base bearing called centre chord circle Co-fine Co-tang column contained decimal difference Dift direct Diſt distance divided division draw drawn east edge equal EXAMPLE feet field field-book figures four fourth give given greater ground half height Hence inches laid land length less logarithm manner measure method multiplied needle object observe off-sets opposite parallel parallelogram perches perpendicular plain plane Plate pole PROB proportion quantity quotient radius reduce remainder right angles right line root scale Secant sect side sights sine square station stationary sun's suppose survey taken tangent theo third triangle triangle ABC true turn variation whence whole
Σελίδα 32 - 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.
Σελίδα 94 - C' (89) (90) (91) (92) (93) 112. In any plane triangle, the sum of any two sides is to their difference as the tangent of half the sum of the opposite angles is to the tangent of half their difference.
Σελίδα 23 - Four quantities are said to be in proportion when the product of the extremes is equal to that of the means : thus if A multiplied by D, be equal to B multiplied by C, then A is said to be to B as C is to D.
Σελίδα 95 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Σελίδα 37 - ABDE+ACGF the sum of the squares —BKLH-\-KCML, the sum of the two parallelograms or square BCMH; therefore the sum of the squares on AB and AC is equal to the square on BC.
Σελίδα 24 - Things that are equal to one and the same thing, are equal to each other. 2. Every whole is greater than its part. % 3. Every whole is equal to all its parts taken together. 4 If to equal things, equal things be added, the whole will be equal. 5. If from equal things, equal things be deducted the remainders will be equal.
Σελίδα 36 - XIII. •All parallelograms on the same or equal bases and between the same parallels...
Σελίδα 182 - VI. To find the content of a triangular piece of ground, Multiply the base by half the perpendicular, or the perpendicular by half the base ; or take half the product of the base into the perpendicular. The reason hereof is plain, from cor.