Perkins, Henry, 1803-1889, publisher., Haswell, Barrington, and Haswell, printer., McManus-Young Collection (Library of Congress) · Philadelphia : H. Perkins, 134 Chestnut Street, MDCCCXXXVIII [1838] · leaf 26
he redness, after a time, will be restored. LIGHT CHANGING WHITE INTO BLACK. Write upon bhinen with permanent ink, (which is a strong solution of nitrate of silver,) and the characters will be scarcely visible ;. remove the linen into a dark room, and they will not change; but expose them to a… … the root will protrude and thrust itself
Juvenile literature · Scientific recreations
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