nected by a cord, c, with a treadle, D, underneath the to Duncan Mackenzie, of Brooklyn, N. Y., through the gravings relates to heating bakers' ovens in which such Scientific American Patent Agency, on the first day of table on which the machine rests. To the frame, C, is also coal is employed.… … grate extends. E is a back ed at one end by a joint, bed of brickwork; D D, the inside of each jaw MACKENZIE'S IMPROVEMENT IN BAKING OVEHS. are a series of short flues being provided with a spur, letter addressed to him at 180 Livingston-street, or to which lead off from the furnace and the space…
Patents · Combination · Claim · Improvement · Purpose · Manner · Arrangement · Arranged · Steam chest · Main frame · Purpose set · Steam gage · Scientific American · Address munn · Letters patent · Patent office · Purposes set · American patent
Internet Archive · Public domain (published before 1931). Free to use for anything.