US PATENT SUBCLASS 122 / *
.~.~ Over firebox

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

235.11  DF  WATER TUBE {52}
275  DF  .~ Loop {3}
*.~.~ Over firebox {5}
278  DF  .~.~.~> Cross
279  DF  .~.~.~> Horizontal
*  DD  .~.~.~> Rear of bridge wall {1}
281  DF  .~.~.~> Standpipe
282  DF  .~.~.~> Vertical {1}