A Complete Treatise on Practical Mathematics: Including the Nature and Use of Mathematical Instruments: Logarithmic Tables, Trigonometry, Mensuration of Heights and Distances,--of Surfaces & Solids, Land Surveying, Gunnery, Gauging, Artificer's Measuring, Miscellaneous Exercises. With an Appendix on Algebra ... Principally Designed for the Use of Schools and Academies |
From inside the book
Results 1-5 of 63
Page xi
... dividing or laying out of Ground , 273 GUNNERY , 279 Cafes on horizontal Planes , 281 Oblique Cafes , 290 Of the piling of Shot , 294 Specific Gravity , 303 Of Balls and Shells , 311 To find the Caliber of English Guns , 336 GAUGING ...
... dividing or laying out of Ground , 273 GUNNERY , 279 Cafes on horizontal Planes , 281 Oblique Cafes , 290 Of the piling of Shot , 294 Specific Gravity , 303 Of Balls and Shells , 311 To find the Caliber of English Guns , 336 GAUGING ...
Page 6
... divide a line AB into any number of equal parts . LET it be required to divide AB into feven equal parts , from A draw AD at any angle ; and from B draw BC parallel to AD . On each of these parallel lines lay off as many equal parts as ...
... divide a line AB into any number of equal parts . LET it be required to divide AB into feven equal parts , from A draw AD at any angle ; and from B draw BC parallel to AD . On each of these parallel lines lay off as many equal parts as ...
Page 11
... divide the area of a given circle into any number of equal parts , by concentric circles , fuppofe into three equal parts . Divide the femidiameter AC into three equal parts , in the points a , b ; alfo bifect AC in the point x ; and ...
... divide the area of a given circle into any number of equal parts , by concentric circles , fuppofe into three equal parts . Divide the femidiameter AC into three equal parts , in the points a , b ; alfo bifect AC in the point x ; and ...
Page 12
... divide the altitude of these rectangles into ten equal parts , and , through each of these parts , draw parallel lines the whole length of the scale . Di- vide the firft divifion AB into ten equal parts , also CD into as many , and ...
... divide the altitude of these rectangles into ten equal parts , and , through each of these parts , draw parallel lines the whole length of the scale . Di- vide the firft divifion AB into ten equal parts , also CD into as many , and ...
Page 13
... divide the radius CD in- to a line of femitangents . Again -- Divide the quadrant AD into eight equal parts , and from A , transfer the divifions to the line AD ; then fhall AD become a line of rhumbs , each divifion anfwering to a ...
... divide the radius CD in- to a line of femitangents . Again -- Divide the quadrant AD into eight equal parts , and from A , transfer the divifions to the line AD ; then fhall AD become a line of rhumbs , each divifion anfwering to a ...
Contents
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Common terms and phrases
abfciffa acres againſt alfo alſo altitude amplitude axis bafe baſe becauſe breadth centre chain chord of half circle circumference Co-fec Co-tan column cone conjugate cube defcribe dift diſtance divide divifor elevation Engliſh equal Euclid EXAMPLE fame fecond fegment fhall fimilar find the area find the folidity firſt fquare root fquare yards fruftum ftraight line fubtract fuch fuperficies furface girt given greateſt half the arch height horizontal houſe hypothenufe inftrument laft acquired velocity laſt lefs logarithm malt bufhels meaſure obferved off-fets oppofite ordinate parabolic perpendicular plane Plate quantity quotient rectangle Required the area Required the content Required the folidity rhombus right angles RULE Secant Secant Co-fec ſpace ſphere ſpindle ſquare ſteeple Suppofe tangent theodolite theſe thickneſs tranfverfe trapezium triangle triangular uſed verfed whofe diameter whofe fide whofe length whoſe wine gallons
Popular passages
Page 27 - 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, etc.
Page 115 - Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Page 3 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Page 232 - E, is equal to twice as many right angles as the figure has sides, less four right angles.
Page 1 - ... common to the two triangles AFE, BFE, there are two sides in the one equal to two sides in the other, each to each ; and the base EA is equal to the base EB ; (i.
Page 38 - BG; that is, the fum of the fides is to their difference, as the tangent of half the fum of the angles at the bafe to the tangent of half their difference.
Page 372 - Subtract the square number from the left hand period, and to the remainder bring down the next period for a dividend. III. Double the root already found for a divisor ; seek how many times the divisor is contained...
Page 38 - AB the greater side for a distance, let a circle be described, meeting AC, produced in E, F, and BC in D; join DA, EB, FB; and draw FG parallel to BC, meeting EB in G. The angle EAB (32.
Page 38 - ACB (32. 1.) is equal to the angles CAD and ADC, or ABC together ; therefore FAD is the difference of the angles at the...
Page 395 - TO divide a given ftraight line into two parts, fo that the rectangle contained by the whale, and one of the parts, fhall be equal to the fquare of the other part. Let AB be the given ftraight line; it is required to divide it into two parts, fo that the rectangle contained by the whole, and one of the parts, fhall be equal to the fquare of the other part. Upon AB...