## A graduated course of problems in practical plane and solid geometry |

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Resultat 1-5 av 53

Side 187

... plan , and shows the length and breadth ; the latter is termed the

and shows the length and height . 4 . From a consideration of the following

illustrations , it will be more readily seen what is understood by plan and

... plan , and shows the length and breadth ; the latter is termed the

**elevation**,and shows the length and height . 4 . From a consideration of the following

illustrations , it will be more readily seen what is understood by plan and

**elevation**. Side 189

plan and

whereas they really represent objects as covering two planes at right angles to

one another . 6 . These two “ planes of projection , " as they are called , are ...

plan and

**elevation**being represented as a surface , drawn on the same plane —whereas they really represent objects as covering two planes at right angles to

one another . 6 . These two “ planes of projection , " as they are called , are ...

Side 190

Next , the projection of B upon the plane cdyx is the foot of the perpendicular

drawn from B to the given plane , say point B ' . Similarly , we obtain the

projection of A upon the given plane , say A ' . Join A ' B ' ; then A ' B ' is the

Next , the projection of B upon the plane cdyx is the foot of the perpendicular

drawn from B to the given plane , say point B ' . Similarly , we obtain the

projection of A upon the given plane , say A ' . Join A ' B ' ; then A ' B ' is the

**elevation**or ... Side 191

From the

the operation being just the converse of that shown in the preceding note . 10 . As

soon as the foregoing projections are thoroughly understood , the student will ...

From the

**elevation**A ' B ' , it may be readily seen how we obtain the plan AB —the operation being just the converse of that shown in the preceding note . 10 . As

soon as the foregoing projections are thoroughly understood , the student will ...

Side 194

To find the plan of a point , its

the given point . It is required to find its plan . From A ' draw a line perpendicular

to xy . The plan of A ' will be in this line . Let A be its plan . Then the points A ' A

are ...

To find the plan of a point , its

**elevation**being given . Let A ' be the**elevation**ofthe given point . It is required to find its plan . From A ' draw a line perpendicular

to xy . The plan of A ' will be in this line . Let A be its plan . Then the points A ' A

are ...

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### Vanlige uttrykk og setninger

altitude arc cutting Atlas axis base Bisect the angle called centre circumference cloth complete cone construct contained curve cutting cylinder describe a circle describe an arc describe arcs diagonal diameter distance divide draw a line draw lines Draw the line edge elevation ellipse equal equal in area equilateral triangle face four given circle given line given point given square ABCD given straight line given triangle ABC half height hexagon horizontal plane inches inclined inscribe intersection isosceles triangle Join length Maps mark meeting Method NOTE obtain parallel parallelogram pass pentagon perpendicular Philips plane of projection polygon prism Problem produced projection projectors pyramid radii radius rectangle rectilineal figure regular represent required circle respectively right angles scale semicircle sides similar solid straight line Take touching traces trapezium vertical plane

### Populære avsnitt

Side 295 - Philips' Preparatory Atlas, Containing Sixteen Maps, full colored. Crown quarto, in neat cover, 6d. Philips Preparatory Outline Atlas. Sixteen Maps. Crown quarto, printed on fine cream-wove paper, in neat cover, 6d. Philips Preparatory Atlas of Blank Projections. Sixteen Maps. Crown quarto, printed on fine cream-wove paper, in neat cover, 6d. Philips Elementary Atlas for Young Learners.

Side 294 - Young Student's Atlas, Comprising Thirty-six Maps of the Principal Countries of the World, printed in colors. Edited by W. Hughes, FRGS Imperial 41.0., bound in cloth, 33. 6d. Philips Atlas for Beginners, Comprising Thirty-two Maps of the Principal Countries of the World, constructed from the best authorities, and engraved in the best style. New and enlarged edition, with a valuable Consulting Index, on a new plan.

Side 193 - A cone is a solid figure described by the revolution of a right-angled triangle about one of the sides containing the right angle, which side remains fixed. If the fixed side be equal to the other side containing the right angle, the cone is called a right-angled cone ; if it be less than the other side, an obtuse-angled ; and if greater, an acute-angled cone. XIX. The axis of a cone is the fixed straight line about which the triangle revolves.

Side 123 - A straight line is said to be cut in extreme and mean ratio, when the whole is to the greater segment as the greater segment is to the less.