Hubert, Philip Gengembre, 1852-1925 · New York, C. Scribner's Sons · leaf 186
ld never vulcanize ; that a portion of Ill MILES GOOD YE Ml 173 white lead in the compound greatly facilitatedthe operation and improved the result; and whenhe had learned these facts, it still required costlyand laborious experiments to devise the bestmethods of compounding his ingredients in… … 1851,, the proportions and the degree of heat. Hetells us that many times when, by exhaustingevery resource, he had prepared a quantity olhis compound for heating, it was spoiled becausehe could not, with his inadequate apparatus,apply the heat soon enough. To New York, then, he directed his…
Inventors
Internet Archive · New York Public Library · Public Domain Mark 1.0. Free to use for anything.
