13. The temperature of the gas, immediately on leaving the charge, shall
not exceed 212 deg. F. (100 deg. C.)
14. No generator shall be sold without a card of instructions suitable
for hanging up in some convenient place. Such instructions shall be of
the most detailed nature, and shall not presuppose any expert knowledge
whatever on the part of the operator.
15. Notice to be fixed on Generator House Door, "NO LIGHTS OR SMOKING
ALLOWED."
16. Every generator shall have marked clearly upon the outside a
statement of the maximum number of half cubic foot burners and the charge
of carbide for which it is designed.
17. The Association strongly advise the use of an efficient purifier with
generating plant for indoor lighting.
18. No composition piping shall be used in any part of a permanent
installation.
19. Before being covered in, all pipe-work (main and branches) shall be
tested in the following manner: A special acetylene generator, giving a
pressure of at least 10 inches water column in a gauge fixed on the
furthest point from the generator, shall be connected to the pipe-work.
All points shall be opened until gas reaches them, when they shall be
plugged and the main cock on the permanent generator turned off, but all
intermediate main cocks shall be open in order to test underground main
and all connexions.
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