Dictionarium polygraphicum: or, The whole body of arts regularly digested ... adorned with proper sculptures, curiously engraven on more than fifty copper plates .. (1735)
Barrow, John, teacher of mathematics · London, C. Hitch and C. Davis [etc.] · leaf 35
J^^mj- / tn/n . … JAR To thefe you may give a red tindure, with as much eafe asyou can take it away from the other, to convert them into dia-monds. To give a red colour to Jargons^ that are of a gfidelln^ youmuft taive equal parts of purified Jal-armoniac-, and of tartarcalcind to whitened, as is iliewn eliewhcre;…
Art · Industrial arts
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