The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 páginas |
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Página 10
... inch , yard , & c . or of whatever the whole thing originally con- sisted the 4 and the 8 are the denominators , showing into how many equal parts the unit is divided ; and the three and the five are the numerators , showing how many of ...
... inch , yard , & c . or of whatever the whole thing originally con- sisted the 4 and the 8 are the denominators , showing into how many equal parts the unit is divided ; and the three and the five are the numerators , showing how many of ...
Página 17
... inches to the Decimal of a foot . The foot being equal to 12 inches , the vulgar fraction will be ; then 12 ) 9.00 .75 - decimal fraction required . Reduce 8 inches to the decimal of a yard . 8 inches 1 yard × 3 × 12 = 36 inches . 36 ...
... inches to the Decimal of a foot . The foot being equal to 12 inches , the vulgar fraction will be ; then 12 ) 9.00 .75 - decimal fraction required . Reduce 8 inches to the decimal of a yard . 8 inches 1 yard × 3 × 12 = 36 inches . 36 ...
Página 18
... inches in a foot . .7500 12 = number of lines in an inch . 9.0000 The answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? Ans . 3 per . 1 yd . 2 ft . 11 in . What is the value of .683 of a degree ? Ans . 40 m . 58 ...
... inches in a foot . .7500 12 = number of lines in an inch . 9.0000 The answer here is 2 feet 9 lines . What is the value of .084 of a furlong ? Ans . 3 per . 1 yd . 2 ft . 11 in . What is the value of .683 of a degree ? Ans . 40 m . 58 ...
Página 63
... inches are , however , to be preferred , in general , before any other size ; they will effect all that can be ... inch compasses with a moveable leg , an ink point , a dotting point , the crayon point , so contrived as to hold a whole ...
... inches are , however , to be preferred , in general , before any other size ; they will effect all that can be ... inch compasses with a moveable leg , an ink point , a dotting point , the crayon point , so contrived as to hold a whole ...
Página 65
... inch radius , the point should be so bent , that the blades of the pen may be nearly perpendicular to the paper , and both of them touch it at the same time . The protracting pin , is only a short piece of steel wire , with a very fine ...
... inch radius , the point should be so bent , that the blades of the pen may be nearly perpendicular to the paper , and both of them touch it at the same time . The protracting pin , is only a short piece of steel wire , with a very fine ...
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Términos y frases comunes
ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal difference of latitude Dist divided divisions divisor draw east Ecliptic edge EXAMPLE feet field-book figure four-pole chains given angle given number half the sum height Hence Horizon glass hypothenuse inches instrument length logarithm measure Meridian Altitude meridian distance method multiplied natural co-sine natural number natural sine Nonius number of degrees object observed off-sets opposite parallel parallelogram perches perpendicular plane prob PROBLEM proportional protractor Quadrant quotient radius rhombus right angles right line Secant sect semicircle Sextant side square root station subtract Sun's survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence