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Scientific American, Vol. 61, No. 2 (July 1889) (1889)

leaf 3

An illustration from Scientific American, Vol. 61, No. 2 (July 1889), 1889, leaf 3
PBOVED GBINDSTONE TOOL HOLDEB. A draught equalizer to which four horses may be Beginning with the first day of June, the Southern The illustration herewith represents a tool holder hitched, and which is designed to operate in an ef- New England Telephone Company will issue tickets specially… … HOLCK'S DBATJGHT EQUALIZES. DICE'S GBINDSTONE TOOL HOLSEB. AN IMPBOVED SASH HOLDEB. patented by Mr. Charles F. Hoick, of Laporte City, The device herewith represented is designed to lock jections adapted to engage teeth on the under side of Iowa. This equalizer consists of a doubletree having the…

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