forc- latter he uses parallel feed rollers having a Window Blinds. Patented August 1, 1848. ing through the fire a portion of the products of the improvements. horizontal motion. These combinations along To Edwin B. Horu, of Boston, Mass, for with two vertical parallel frames he claims improvement… … by a great saving of time will be made. In a improvement in Window Catches. Patented This is a very excellent Hot Air Furnace, letter to the publishers of the Scientific Ame- One of these is tight at the bottom, allowing August 1, 1848. the invention of Mr. Wm. G. Wing of New rican, the inventor…
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