The silk industry in America. A history: prepared for the Centennial Exposition (1876)
Brockett, L. P. (Linus Pierpont), 1820-1893 · [New York Silk Association of America] · leaf 19
inches in length, and haveincreased in weight from y-J^ of a grain to 80 or 90 grains. Atthis time they seek a place to spin their cocoons, which aregenerally finished in from three to six days. In the cocoonthey assume the chrysalis condition; and, in a period vary-ing from twenty to forty days,… … THE SILK INDUSTRY IN AMERICA. 15
Silk manufacture and trade
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