Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . -ing gas. Dr. Claytondistilled illunii-niiting gas fromcoal in 11)88 ; the I*)ihicalTransactions of1739 refer to the fact. Dr. Hales in 1726 made a([uantitative experiment as to the cubic inches ofgas obtained Ironi a given number of grains of Dundonalds patent of 1786 was for ovens orretorts in which coal was distilled. Murdoch in1792 made ligh
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . -ing gas. Dr. Claytondistilled illunii-niiting gas fromcoal in 11)88 ; the I*)ihicalTransactions of1739 refer to the fact. Dr. Hales in 1726 made a([uantitative experiment as to the cubic inches ofgas obtained Ironi a given number of grains of Dundonalds patent of 1786 was for ovens orretorts in which coal was distilled. Murdoch in1792 made lighting buildings by gas a success. SeeGas. Gas-retoits are made of iron or clay, and each inshape is a segment of a cyliiuler, the fiat side form-ing the tloor. These are set in a brick furnace,with their ojien ends presented outward reaily forcharging. This is quickly done by a scoop, which holds, .say, 110 )ionnds of coal,and is handled by three men, as .seen in the illustra-tion. Being introduced longitudinally into the re-tort, it is upset, and deposits its load on the fioor ofthe retort ; a second scoo]iful makes up the charge,ami the month of the retort is then closed and lutedto prevent the escape of Gas-Regulator. GAS-RETORT. 955 GAS-RETORT CHARGER. Fig. 2188.
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