A Treatise on Surveying, Containing the Theory and Practice: To which is Prefixed a Perspicuous System of Plane Trigonometry. The Whole Clearly Demonstrated and Illustrated by a Large Number of Appropriate Examples. Particularly Adapted to the Use of SchoolsKimber & Richardson, 1814 - 346 Seiten |
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Seite 12
... according as the multiplier consists of one or two figures ; then add the remaining figure or figures of the product to the logarithm first taken out of the table , and the sum will be the logarithm required . Thus , let it be required ...
... according as the multiplier consists of one or two figures ; then add the remaining figure or figures of the product to the logarithm first taken out of the table , and the sum will be the logarithm required . Thus , let it be required ...
Seite 40
... divisions . The primary divisions on the second part of the scale , are estimated according to the value set upon the unit on as a unit , then the first 1 , 2 the left hand of the scale : If the first 1 be considered 40 FLANE TRIGONOMETRY .
... divisions . The primary divisions on the second part of the scale , are estimated according to the value set upon the unit on as a unit , then the first 1 , 2 the left hand of the scale : If the first 1 be considered 40 FLANE TRIGONOMETRY .
Seite 41
... according to the value set upon the primary divisions . Sines . The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c , to 10 , then 20 , 30 , 40 , & c to 90 , where it ...
... according to the value set upon the primary divisions . Sines . The line of sines , marked Sin . is numbered from the left hand of the scale towards the right , 1 , 2 , 3 , 4 , & c , to 10 , then 20 , 30 , 40 , & c to 90 , where it ...
Seite 103
... according to that bearing , and to have its straight edge parallel to the meridian ; this last may al- ways be done by applying the centre , to the station point and making the preceding distance line , produced ( or not as may be ) if ...
... according to that bearing , and to have its straight edge parallel to the meridian ; this last may al- ways be done by applying the centre , to the station point and making the preceding distance line , produced ( or not as may be ) if ...
Seite 104
... according as the bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c . as in the figure . From A the centre of the circle , to 1 draw A 1 , on which lay ...
... according as the bearing is northerly or southerly , and towards E or W according as it is easterly or westerly , and number them 1 , 2 , 3 , 4 , & c . as in the figure . From A the centre of the circle , to 1 draw A 1 , on which lay ...
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A Treatise on Surveying: Containing the Theory and Practice: To Which Is ... John Gummere Keine Leseprobe verfügbar - 2016 |
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Seite 2 - An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the times therein mentioned." And also to the act, entitled " An Act supplementary to an Act, entitled, " An Act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies during the time therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and...
Seite 97 - To find the Area of a Triangle when the Three Sides are given. Rule. — From half the sum of the three sides subtract each side separately.
Seite 43 - The angle at the centre of a circle is double of the angle at the circumference upon the same base, that is, upon the same part of the circumference.
Seite 34 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Seite 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Seite 85 - A maypole, whose top was broken off by a blast of wind, struck the ground at 15 feet distance from the foot of the pole: what was the height of the whole maypole, supposing the broken piece to measure 39 feet in length ? Ans.
Seite 25 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Seite 26 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Seite 91 - PROBLEM I. To find the area of a parallelogram; whether it be a square, a rectangle, a rhombus, or a rhomboides. RULE.* Multiply the length by the perpendicular height, and the product will be the area.
Seite 96 - If one side and the angles are given ; then As the product of radius and the sine of the angle opposite the given side, To the product of the sines of the two other angles ; So is the square of the given side, To twice the area of the triangle. If PC (Fig.