. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 887. CONICAL CHARCOAL round on a clay floor with brick walls12 inches thick for 7^ feet. Eight-inch wallto top. About 90 vent pipes built into thewall in 3 rows with stoppers. Size of a35-cord kiln, 28 feet inside at bottom ; 28 feethigh. A, sheet-iron door
. Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries. 887. CONICAL CHARCOAL round on a clay floor with brick walls12 inches thick for 7^ feet. Eight-inch wallto top. About 90 vent pipes built into thewall in 3 rows with stoppers. Size of a35-cord kiln, 28 feet inside at bottom ; 28 feethigh. A, sheet-iron doors and cast-ironframes, 6x6 feet, or bricked up with of burning 9 to 10 days ; at 5 daysvents are plugged tight. Productof 35cords,1,700 bushels. Thirty-five thousand brickare required to construct it. 888. Ground plan of the charcoal kiln. MISCELLANEOUS DEVICES. 347
Size: 1123px × 2224px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorhiscoxgardnerdexter18, bookcentury1900, bookdecade1910
