and 2.]

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Fig. 11.--No. 10 changed to a conical shape and suspended as a canopy.
The circular shape is secured by the use of small-size gas pipe or
limber poles bent into a large hoop. Of course guy lines may be used,
but would probably be in the way. Notice that a little more material
for making a wall would transform the canopy into a "Sibley" tent.

[Illustration: Fig. 11. Sibley awning.]

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There are other shapes and combinations, but perhaps these sketches
are enough in the line of suggestion.

The diagram Fig. 12 shows a method for laying out, on your cloth, the
location of all the rings to make the tents and shelters. No
dimensions are given and none is required. The diagram is good for any
size. Most of the fastenings are found on radial lines, which are
spaced to divide a semi-circle into eight equal {169} angles, 22-1/2
degrees each; these intersect other construction lines and locate the
necessary loops and rings. Figures are given at each ring which refer
back to the sketch numbers.

[Illustration: Fig. 12. Showing how ten different tents can be made
with but one piece of canvas.]

Suppose the material at hand is the widest unbleached cotton cloth, 90
inches wide, 5 yards long, or 7-1/2 feet by 15 feet. The accompanying
table will give the dimensions for the various shapes from Fig. 1 to
Fig. 11.

If in doubt about the location of rings on your canvas, suspend the
tent by the centre ring and fasten the loops temporarily by means of
safety pins, draw the tent into shape and shift the fastenings as
required. The guy lines should have hooks or snaps at one end for
ready attachment and removal; the other end should be provided with
the usual slides for "take up." The edge of the cloth where the large
ring for suspension is fastened should be bound with tape or have a
double hem, for it is the edge of the door in most of the tents shown.

TABLE OF DIMENSIONS, 90 IN. MATERIAL

Size Area, Height Remarks
Sq. Ft. Ft.
1 7-1/2 ft. triangle 25 6-1/4 One side open
2 6-1/2 X 15 ft. 65 6-1/4 One side open
3 6 x 7-1/2 ft. 45 4-1/2 One side open
4 7-1/2 x 8 ft. 60 5-1/2 One side open
5 7-1/2 ft. triangle 25 7-1