✦ LIBER ✦

Locomotives, past, present and future

Publisher: Elsevier Science
Year: 1933
Tongue: English
Weight: 175 KB
Volume: 216
Category: Article
ISSN: 0016-0032
DOI: 10.1016/s0016-0032(33)90880-7

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✦ Synopsis

CURRENT TOPICS.

I2 7

Lac has been known for centuries, but the insect was first described by Father Tachard of the Society of Jesuits, 17o9 and was named after him Tachardia lacca. The name has altered many times, the latest being Laccifer lacca. Sticklac usually is harvested by the natives who strip it off the tree, crush, sieve and wash it, this last process removing the water-soluble dye. Dried in the sun, this forms the seed-lac of commerce. The seed-lac is converted by a primitive heat process into button lac and shellac.

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