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J16 Fluid or Gasses
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J16.01.01 Ventilation Apparatus
Description and Notes
J16.01.01 Ventilation Apparatus
Specification
J16.01.01 Ventilation Apparatus
Comprises metal box, 22x10x9cm, with sliding plate glass front, two glass chimneys, standing over tubulures at top of box. Candle holder fixed to the base of box.
