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Scientific American, Vol. 57, No. 24 (December 1887) (1887)

leaf 3

An illustration from Scientific American, Vol. 57, No. 24 (December 1887), 1887, leaf 3
p, wedge shaped patented by Mr. William P. Logan, of No. 726 Second corner by a threaded rod made integral with the plate, lugs or projections, each with a vertical groove on its Street, Trenton, N. J. The anchor is formed of a single outer face. The cover has in its center on top a post and… … ducing are capable of doubling the quantity now de- LOGAN'S POST ANCHOR. GARCIA'S TRUNK CORNER. manded for light and heat. Nearly 2,000 miles of central hole to receive the post, a hub surrounding the mains are required for conducting the supply to con- the trunk corner, the end of the rod within…

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