Fig. 89.
[ XXXVI]
Measuring Scale on Ground
A simple and very old method of drawing buildings, &c., and giving them their right width and height is by means of squares of a given size, drawn on the ground.
Fig. 90.
Fig. 89.
A simple and very old method of drawing buildings, &c., and giving them their right width and height is by means of squares of a given size, drawn on the ground.
Fig. 90.