The Scientific American reference book; a compendium of useful information, containing the complete census of the United States by counties ... patent and copyright laws ... forms for patents, caveats, assignments, and licenses ... etc (1892)
New York, Munn · leaf 116
nformation, our reply to be printed in The Scien-tific American. We are at all times happy to serse ourcorrespondents, but if rephes to purely personal errands areexpected, a small fee, say from one to five dollars, should besent. Harness Blacking.—Melt i pound bees-wax, stir in 4ounces… … 114 MECHANICAL MOVEMENTS. 3J
Patents
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