27
RULES FOR CONSTRUCTING A CANOPY.
The strictly geometrical character of all these drawings is sufficiently evident, but figure 1 of the plans for the canopy is especially remarkable for the clever and ingenious manner in which all the varied parts are worked out on one diagram: this makes it look rather confused at first sight, but on a careful examination, the whole may be clearly made out. After this the others are all simple and easy to understand.