An acetylene portable apparatus is allowed, provided it holds a charge of
not more than 2 lb. of carbide.
A cylinder containing not more than 20 cubic feet of acetylene compressed
and (or) dissolved in accordance with an Order of Secretary of State
under the Explosives Act, 1875, is allowed.
The use of portable acetylene lamps containing charges of carbide
exceeding the limit of 2 lb. allowed under these Rules (the average
charge being about 18 lb.) is allowed in the open or in buildings in
course of erection.
Liquid acetylene must not be used or stored on the premises.
The pipe, whether flexible or not, connecting an incandescent gas lamp to
the gas-supply must be of metal with metal connexions.
(The reference in these Rules to the storage of carbide has been quoted
in Chapter II. (page 19).)
These rules are liable to revision from time to time.
The GERMAN ACETYLENE VEREIN has drawn up (December 1904) the following
code of rules for the construction, erection, and manipulation of
acetylene apparatus:
I. _Rules for Construction._
1. All apparatus for the generation, purification, and storage of
acetylene must be constructed of sheet or cast iron.
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