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Scientific American, Vol. 3, No. 24 (1860) (1860)

leaf 7

An illustration from Scientific American, Vol. 3, No. 24 (1860), 1860, leaf 7
d as to great economy of water. to be generally entertained that the longer lime was my cotton mill, giving 35-horse power with a 40-inch slaked before it was used, the better would be the mortar +6) oe made of it. This, however, is not the case with our SLAIGHT’S IMPROVED DOOR LATCH. common fat… … bility, and economy, of construction; it cannot be beat.” them—a practice of no small annoyance in most house- masons frequently neglect to fill them up with mortar. The patent for this invention was procured through holds. As the necessity of slamming a door in shutting it arises from the…

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