Spanton, J. Humphrey (John Humphrey) · London, Macmillan and Co., Limited; New York, The Macmillan Company · leaf 203
y. It remains to add the circle to thematerials of construction and to proceed to form frameworkswith its aid. Fig. 346. Semicircles are worked on the square net givingscale work or imbrication, and Fig. 347 shows a scale work ona 30° net. DESIGN. 189 Fig. 348 shows a framework on a 45° net formed… … Fig. 351 Fig. 349-
Geometrical drawing · Design · Drawing
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