The containers are filled with ordinary lump carbide when the
cover _H_ is removed. The tappet _O_ attached to the bell of
the gasholder come in contact with a pawl when the gasholder bell
descends to a certain level and thereby rotates a pinion on the
protruding end of the axis which carries the carbide containers _J_.
Each time the bell falls and the tappet strikes the pawl, one compartment
of the carbide containers discharges its contents down the shoot _K_
into the generating tank _B_. The gas evolved passes upwards and
causes the bell _A_ to rise. The gas is prevented from rising into
the shoot by the deflecting plates _G_. The natural level of the
water in the generating tank, when the apparatus is in use, is shown by
the dotted lines _L_. The lime sludge is discharged from time to
time through the cock _E_, being stirred up by means of the agitator
_C_ with handle _D_. When the sludge is discharged water is
added through _M_ to the proper level. The gas evolved passes from
the holder through the pipe with tap _F_ to the service-pipe. A
purifier is supplied if desired.
[Illustration: FIG. 36.--"L'ECLAIR," GENERATOR.]
_References_
A Gasholder.
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