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in subjects: "boilers"

Patent for grate that are applied to the fire box of a boiler.

Date: January 30, 1917

Creator: Brown, Sidney E. & Kain, Harry C.

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for a fire box for boilers. Illustration included.

Date: December 20, 1904

Creator: Scheliga, Raimund

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Patent for "Improved Washing Machine" in combination with a boiler, "and with a furnace on which the boiler rests".

Date: June 28, 1870

Creator: Cottingham, Gideon W.

Item Type: Patent

Partner: UNT Libraries Government Documents Department