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A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
The First Six Books with Notes - Page 145
by Euclid - 1822 - 179 pages

## Ellen: Or, Whisperings of an Old Pine, Volume 1

Joseph Battell - Force and energy - 1903 - 722 pages
...superficies are lines; and the intersections of "one superficies with another are also lines." '5. A plane superficies is that in which any two points...line between them lies wholly in that superficies.' "A note says: 'The definitions marked with inverted commas are different from those of Euclid.' "The...

## Modern Sheet-metal Workers' Instructor: Practical Geometry, Mensuration ...

Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...line are points. A straight line is that which lies evenly between its extreme points. A plane surface is that in which any two points, being taken, the straight line between them lies wholly in that surface. The extremities of a surface are lines. A plane rectilineal angle is the inclination of two...

## The American Practical Navigator: Being an Epitome of Navigation and ...

Nathaniel Bowditch - Nautical astronomy - 1906 - 670 pages
...right line is the shortest distance between two points on a plane surface. A. plane surface is one in which, any two points being taken, the straight line between them lies wholly within that surface. I'uritllel HnfK are such as are in the same plane and if extended indefinitely...

## The Romance of Modern Mechanism

Archibald Williams - Electric machinery - 1907 - 438 pages
...important in engineering than the truly curved surface is the true plane, in which, as Euclid would say, any two points being taken, the straight line between them lies wholly in that superficies. The lathe depends for its efficiency on the perfect flatness of all areas which should be flat —...

## The Romance of Modern Mechanism: With Interesting Descriptions in Non ...

Archibald Williams - Electric machinery - 1908 - 430 pages
...important in engineering than the truly curved surface is the true plane, in which, as Euclid would say, any two points being taken, the straight line between them lies wholly in that superficies. The lathe depends for its efficiency on the perfect flatness of all areas which should be flat —...

## American Practical Navigator: An Epitome of Navigation and Nautical Astronomy

Nathaniel Bowditch - Nautical astronomy - 1916 - 912 pages
...l'Kjlit line is the shortest distance between two points on a plane surface. A plant surface is one in which, any two points being taken, the straight line between them liée wholly within that surface. Parallel line» are such as are in the same plane and if extended...

## The Mastery of the Air

William J. Claxton - Aeronautics - 1920 - 290 pages
...applied to the supporting structure of an aeroplane. Euclid defines a plane, or a plane surface, as one in which, any two points being taken, the straight line between them lies wholly in that surface. But the plane of a flying machine is curved, or cambered, and if one point were taken on the...

## American Practical Navigator: an Epitome of Navigation and Nautical Astronomy

Nathaniel Bowditch - 1920 - 840 pages
...right line is the shortest distance between two points on a plane surface. . A. plane surface is one in which, any two points being taken, the straight line between them lies wholly within that surface. Parallel lines are such as are in the same plane and if extended indefinitely...