US PATENT SUBCLASS 48 / 81
.~.~.~.~ Retort

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

61  DF  GENERATORS {4}
62 R  DF  .~ Cupola {18}
78  DF  .~.~ Water {3}
79  DF  .~.~.~ Carburetor {2}
81.~.~.~.~ Retort

DEFINITION

Classification: 48/81

Combining with the well known cupola structure for the production of water-gas a retort to and through which the water-gas passes and to which a hydrocarbon oil or vapor is simultaneously admitted.