Hellot, Jean, 1685-1766 · London : Reissued by Scott, Greenwood · leaf 286
iron cramps (B, Figs. 1 and 2), in such a manner thatthe frame may be easily moved backward and forward. Onone of the two sides (C, Fig. 2) there are a number of iron spikes(D) three inches long, and placed four or five inches asunder.The other long side (E) has opposite to every spike a fork (F).… … REMARKS ON THE BLUE OF INDIGO 265 from falling wlien the shaker is moved. As the hanks arewrung they should be spread on one of these cross Iods, con-tinualh shaking, till every part of the silk is successivelyarranged and dried. In order to produce different shades of blue, the silk in-tended for…
Dyes and dyeing
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![An illustration from M. Vitrvvii viri svae professionis pertissimi De architectvra libri decem, ad Avgvstum Cæsarem accuratiss. conscripsit & nvnc primvm in Germania qva potuit diligentia excusi, atq[ue] hinc inde schematibus non iniucundis exornati (1543)](https://img.insideoutlibrary.com/img/200/ia-mvitrvviivirisva00vitr-285-95.webp)
