## The Elements of Descriptive Geometry ... |

### No interior do livro

Página 65

Intersection of a cylinder perpendicular to the horizontal plane by a plane perpendicular to the vertical plane . 47. ... and that the point in which this generatrix cuts the

Intersection of a cylinder perpendicular to the horizontal plane by a plane perpendicular to the vertical plane . 47. ... and that the point in which this generatrix cuts the

**plane pap**' has m , m ' for its projections . m , m ' are ... Página 66

To determine the true magnitude and form of the section let us suppose the

To determine the true magnitude and form of the section let us suppose the

**plane pap**turned down on one of the planes of projection by rotating on the trace qp ' . The point m , m ' is situated in space on a perpendicular to qp ' at a ... Página 67

If the

If the

**plane pap**' be turned round on its horizontal trace pq , the curve of the section may also be drawn of its true magnitude in the horizontal plane of projection . Draw mr perpendicular to pq ; if we then conceive a line in space ... Página 71

The vertical planes passing through the different generatrixes will cut the sectional plane in parallel lines ... projection The true figure and magnitude of the section will be found by turning the

The vertical planes passing through the different generatrixes will cut the sectional plane in parallel lines ... projection The true figure and magnitude of the section will be found by turning the

**plane pap**round on its trace pq ... Página 73

PROBLEM 3 . Section of a cone by a plane perpendicular to the vertical plane of projection . 49. 1 ° . It is evident that the vertical projection of the section is identical with the vertical trace of the cutting -

PROBLEM 3 . Section of a cone by a plane perpendicular to the vertical plane of projection . 49. 1 ° . It is evident that the vertical projection of the section is identical with the vertical trace of the cutting -

**plane pap**' .### Opinião das pessoas - Escrever uma crítica

Não foram encontradas quaisquer críticas nos locais habituais.

### Outras edições - Ver tudo

### Palavras e frases frequentes

angle arcs assumed auxiliary planes axes axis base called centre circle coincide common cone conic consequently considered construction contains corresponding curve curve of intersection cylinder described Descriptive determined developed dicular distance draw draw the tangent drawn equal evident example faces figure formed generatrixes given line given point ground line helix Hence HISTORY horizontal plane horizontal projection horizontal trace intersection length line joining lines parallel magnitude means meet moving necessary normals obtained obviously Octavo parallel perpen perpendicular plane passing planes of projection point of contact polygon position PROBLEM produced PROPOSITION radius required plane respectively right angles sides situated solid sought space sphere straight line supposed surface tangent plane third plane tion true vertex vertical plane vertical projection vertical trace

### Passagens conhecidas

Página 101 - A MANUAL of CHRISTIAN ANTIQUITIES ; or an Account of the Constitution, Ministers, "Worship, Discipline, and Customs of the Early Church ; with an Introduction, containing a Complete and Chronological Analysis of the "Works of the Antenicene Fathers.

Página 11 - If two straight lines meeting one another be parallel to two other straight lines which meet one another, but are not in the same plane with the first two; the plane which passes through these is parallel to the plane passing through the others.

Página 10 - From the same point in a given plane there cannot be two straight lines at right angles to the plane, upon the same side of it : and there can be but one perpendicular to a plane from a point above the plane.

Página 101 - HISTORY of the CHURCH of ENGLAND, to the REVOLUTION in 1688; embracing Copious Histories of the Thirty-Nine Articles, the Translation of the Bible, and the Compilation of the Book of Common Prayer.

Página 6 - IF two straight lines be parallel, the straight line drawn from any point in the one to any point in the other is in the same plane with the parallels.* Let AB, CD be parallel straight lines, and take any point E in the one, and the point F in the other : the straight line which joins E and F is in the same plane with the parallels.

Página 103 - BIBLE CYCLOPEDIA; a Comprehensive Digest of the Civil and Natural History, Geography, Statistics, and General Literary Information connected with the Sacred Writings.

Página 101 - CV. *HISTORY OF THE CHRISTIAN CHURCH ; from the Ascension of Jesus Christ to the Conversion of Constantine. By the late EDWARD BURTON, DD, Regius Professor of Divinity at Oxford.

Página 2 - A solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point. X. ' The tenth definition is omitted for reasons given in the notes.

Página 105 - Progressive Exercises in Greek Tragic Senarii, followed by a Selection from the Greek Verses of Shrewsbury School, and prefaced by a short Account of the Iambic Metre and Style of Greek Tragedy.

Página 7 - Two straight lines which are each of them parallel to the same straight line, and not in the same plane with it, are parallel to one another. Let AB...