Diamonds and precious stones, a popular account of gems .. (1874)
Dieulafait, Louis, b. 1830, Sanford, Fanchon, tr · New York, Scribner, Armstrong, and Company · leaf 291
ters establishmentat Amsterdam. Fig. 113 shows on a larger scalethe complete arrangement of every division in thisvast workroom. Fig. 115 is an illustration of the diamond-splitters 270 PRECIOUS STONES. table. The reader will see on the left the blunt-edged steel rulers and the iron rod, somewhat… … Fig. IIS.—Table of the Splitter. attached, and, standing upright, the wooden imple-ment which supports the diamond intended to besplit; in the background is a globe of water forconcentrating the light at such points as more par-ticularly require it. From the splitter the diamond passes to…
Precious stones · Diamonds · Gems
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