RIGHT LINES IN THEIR RIGHT PLACES.

*For full Descriptive Lists of Drawing Materials and Colour Boxes, see pages 123 to 126.

CASSELL'S TECHNICAL MANUALS.

VOL. I.-LINEAR DRAWING.

VOL. II.-PROJECTION.

See page 127.

RIGHT LINES

IN THEIR

RIGHT PLACES;

OR,

THE FIRST PRINCIPLES OF DRAWING AND
DESIGN WITHOUT INSTRUMENTS.

CASSELL, PETTER, AND GALPIN;

AND 596, BROADWAY, NEW YORK.

170. m. 15.

Hypothenuse

To draw a Triangle equal to an Rectangle

Rules concerning Triangles

40

43

45

...

a design based upon an Equilateral Triangle

...

47

...

48

...

49

...

52

53

53

56