Geometrical Drawing: With Notes and Examples ...University Press, 1900 |
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Side xii
... spiral the eye of which is given . 150 to 153. Construction of figures . 155. A pattern . 147 . The spiral of 149. Eye of 154. A four- An article on the use of the Marquoise Scales and Sector , page 126 . 156 see ( 35 ) . 157. To divide ...
... spiral the eye of which is given . 150 to 153. Construction of figures . 155. A pattern . 147 . The spiral of 149. Eye of 154. A four- An article on the use of the Marquoise Scales and Sector , page 126 . 156 see ( 35 ) . 157. To divide ...
Side 73
... spirals composed of circular arcs ( 136 ) and ovals ( 141 ) . The rule then is in both cases , when the centres are given join them and find the point of junction on this line : but when the point of junction and one centre is given ...
... spirals composed of circular arcs ( 136 ) and ovals ( 141 ) . The rule then is in both cases , when the centres are given join them and find the point of junction on this line : but when the point of junction and one centre is given ...
Side 101
... Spirals may be composed of circular arcs or described by special rules . The most important are as follows : ( 1 ) The Spiral of semicircles ( 136 ) . ( 2 ) The Spiral made up of circular arcs on an eye or centre . ( 3 ) The Spiral ...
... Spirals may be composed of circular arcs or described by special rules . The most important are as follows : ( 1 ) The Spiral of semicircles ( 136 ) . ( 2 ) The Spiral made up of circular arcs on an eye or centre . ( 3 ) The Spiral ...
Side 102
... spiral is to draw any number of straight lines from a fixed point called the centre each making the same angle with ... spiral . There seems some doubt whether this spiral was used to construct the curves or whether they were drawn by ...
... spiral is to draw any number of straight lines from a fixed point called the centre each making the same angle with ... spiral . There seems some doubt whether this spiral was used to construct the curves or whether they were drawn by ...
Side 106
... spiral of semicircles . Take a fixed straight line AB produced both ways . On it describe a semicircle centre O. With centre A and distance AB describe a semicircle BC . With centre O and distance C describe a semicircle , and so on ...
... spiral of semicircles . Take a fixed straight line AB produced both ways . On it describe a semicircle centre O. With centre A and distance AB describe a semicircle BC . With centre O and distance C describe a semicircle , and so on ...
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Vanlige uttrykk og setninger
ABC having given ABCD angular points arc to meet arcs to intersect Bisect the angle centre of similitude chord circle centre circle of given circular arcs circumscribing circle construct a triangle curve cycloid describe a circle diameter distance equal divide draw a circle draw a tangent draw parallels draw perpendiculars drawn elevation ellipse equal in area equal sides equilateral triangle exterior angle feet find the centre furlongs given angle given base given circle given point given radius given straight line given triangle heptagon hypotenuse inches isosceles triangle Join AC Let ABC mean proportional measure miles number of equal number of sides obtained parallelogram plane points of division produced protractor radii rectangle rectilineal figure regular pentagon regular polygon rhombus right angles right-angled triangle segment semicircle shew shewn similar figures spiral straight line AC tangent triangle ABC vertex vertical angle zero point