An essay on mechanical geometry, explanatory of a set of models1796 |
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Resultat 1-5 av 17
Side 2
... distance . between its two extreme points . 4. But , if the point in motion be con- tinually changing its direction , it then defcribes a crooked line , and is named a F. 2. Curve . Note , For the future , whenever we use the term a ...
... distance . between its two extreme points . 4. But , if the point in motion be con- tinually changing its direction , it then defcribes a crooked line , and is named a F. 2. Curve . Note , For the future , whenever we use the term a ...
Side 10
... distances ab , cd being equal , are parallel lines . C. 3 . F.4.5 40. A Parallelogram is a four - fided figure , 6. & whofe opposite fides are parallel , whether the angles be right angles or not . C. 4 . F. 1 . 41. A Cube or Die is a ...
... distances ab , cd being equal , are parallel lines . C. 3 . F.4.5 40. A Parallelogram is a four - fided figure , 6. & whofe opposite fides are parallel , whether the angles be right angles or not . C. 4 . F. 1 . 41. A Cube or Die is a ...
Side 12
... distance from that center . Tothefe of Euclid fhould be added another poftulate , viz . 4 . Grant that one figure may be laid on another . See note on this poftulate in our Geometry , article 304 , page 3 . 44 . 44. AXIOMS are truths fo ...
... distance from that center . Tothefe of Euclid fhould be added another poftulate , viz . 4 . Grant that one figure may be laid on another . See note on this poftulate in our Geometry , article 304 , page 3 . 44 . 44. AXIOMS are truths fo ...
Side 23
... distance to any two points is a right line ; and therefore if he deviates out of it , he muft go farther ; or , in other words , AC and CB taken together must be greater than AB . THEOREM 12. If a triangle has unequal sides , the ...
... distance to any two points is a right line ; and therefore if he deviates out of it , he muft go farther ; or , in other words , AC and CB taken together must be greater than AB . THEOREM 12. If a triangle has unequal sides , the ...
Side 45
... distance of the two points D , E , about the points D and E , as centers , fweep the arcs ab , cd ; and through the point of interfection draw the line AF , and it is done , viz . the angle DAF is made equal to the angle EAF . For the ...
... distance of the two points D , E , about the points D and E , as centers , fweep the arcs ab , cd ; and through the point of interfection draw the line AF , and it is done , viz . the angle DAF is made equal to the angle EAF . For the ...
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An Essay on Mechanical Geometry, Explanatory of a Set of Models Benjamin Donne Ingen forhåndsvisning tilgjengelig - 2019 |
An Essay on Mechanical Geometry, Explanatory of a Set of Models Benjamin Donne Ingen forhåndsvisning tilgjengelig - 2016 |
Vanlige uttrykk og setninger
180 degrees alfo alſo Analemma angle ACD arithmetic arithmetical mean bafe baſe bifect Book breadth Briſtol called circle circumfcribing compaffes conceived cone confequently contained Corollary croffing cylinder demonftrations deſcribe diameter diſtance divided effay Euclid exactly expreffed faid fame number femicircle fhall fhewn fhould fides fignifies figure fimilar fmall folid fome four numbers fquare feet fruftum ftands ftraight fubtract fufficiently furface gallons geometrical mean Geometricians Geometry globe height Hence inftance interfect large cube length manifeft meaſure multiply half muſt number of degrees number of feet numbers are proportional oppofite orem parallel lines parallel ruler parallelogram perpendicular planes pofition pole prefent priſm PROBLEM propofitions purpoſe pyramid radius reaſon rectangle regular polygon repreſent reſpect rhombus right angles right line ſcheme Scholium ſet ſhadow ſhall ſquare Theorem theſe Thomas Beddoes thoſe three angles triangle ABC whole yards
Populære avsnitt
Side 4 - 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.
Side 11 - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Side 23 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Side 24 - If two triangles have the three sides of the one equal to the three sides of the other, each to each, the triangles are congruent.
Side 12 - ... the three angles of a triangle are together equal to two right angles, although it is not known to all.
Side 37 - A right circular cone is often called a cone of revolution, because it can be generated by the revolution of a right-angled triangle about one of its shorter sides.
Side 10 - POSTULATES. 1. LET it be granted that a straight line may be drawn from any one point to any other point. 2. That a terminated straight line may be produced to any length in a straight line. 3. And that a circle may be described from any centre, at any distance from that centre.
Side 65 - Multiply half the circumference by half the diameter, and the product will be the area. Or, divide the product of the whole circumference and diameter -by 4, and the quotient will be the area. 2. Multiply the square of the diameter by .7854, and the product will be the area.
Side 84 - ... reafonable creatures •, for though we all call ourfelves fo, becaufe we are born to it if we pleafe, yet we may truly fay Nature gives us but the...
Side 40 - SIMILAR cones and cylinders have to one another the triplicate ratio of that which the diameters of their bases have...