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Ch. 6: Illustrations, Index, Appendix

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PLATE V.
No. 1.—The improved Diamond Lathe (exhibited in the Paris Exhibition, 1855, by Phillippe).
No. 2 and 2 a.—The pincers, front and side view.
Tns Principle of Cutting.
No. 3.—a. The table of a brilliant. b. The triangular faces. The angles terminating into planes, d. Lozenges—4 large and small, e. The planes on the edge of the stone.
No. 3 a.—f. The angles parallel with the planes, g. Pavilion r facets corresponding to Lozenges.* h. The collet of the bril-ant.
No. 4.—A rough Diamond, cleansed.
" 5.—Cut of the crown.
" 5 a.—The three different cuts. a. The table. b. The girdle. The collet.
No. 6.—A Brilliant not recut.
" 7.—A Brilliant recut.
" 8.—Rose Diamond, a. The crown. b. The facets.
* Lozenge is the geometrical form of a rhomb.
Ch. 6: Illustrations, Index, Appendix Page of 515 Ch. 6: Illustrations, Index, Appendix
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