US PATENT SUBCLASS 105 / 72
.~.~ Gravity

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

26.05  DF  LOCOMOTIVES {24}
67  DF  .~ Spring {5}
72.~.~ Gravity

DEFINITION

Classification: 105/72

(under subclass 67) Locomotives in which the weight of the car, acting by gravity, or a falling weight, operates through some agency, as gears or cams, to give motion to the car.