The gas evolved passes through a pipe,
connecting the seal on the top of the generating chamber with the washer,
into the gasholder. Plants of large size have two generating chambers
with connexions to a single washer.
_Maker:_ THE DARGUE ACETYLENE GAS CO., 57 GREY STREET, NEWCASTLE-ON-
TYNE.
_Type:_ Automatic; water-to-carbide; "drawer."
The "Dargue" acetylene generator made by this firm comprises an
equalising bell gasholder _B_ floating in a water-tank _A_,
which is deeper than is necessary to submerge the bell of the gasholder.
In the lower part of this tank are placed two or more horizontal
generating chambers which receive carbide-containing trays divided by
partitions into a number of compartments which are half filled with
carbide. Water is supplied from the gasholder tank through the tap
_E_ and pipe _F_ to the generating chambers in turn. It rises
in the latter and floods the first compartment containing carbide before
gaining access to the second, and so on throughout the series of
compartments. As soon as the carbide in the first generating chamber is
exhausted, the water overflows from it through the pipe with by-pass tap
_J_ to the second generating chamber.
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