Jackson, Frank G · London : Chapman & Hall · leaf 226
added to form a small Spireand a Dormer Window, £1. 8. A TRIANGULAR PRISM, 20 inches by 20 inches. Dissected in two pieces. This Prism forms two different Roofs when added to the Cube(No. 6) according as it is placed, either whole or by means of one of itspieces. When whole, it gives two gables;… … A full and detailed Block of these Models will be found on opposite page. 36 Books, Diagrams, &c.y published by Professor Reynolds, F.R.S., and Cussons Models for teachingDescriptive and Solid Geometry. The Models consist of Folding Planes andColoured Strings. The solutions are fully shown by…
Decoration and ornament
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