July 7, 1897, carbide may be stored without a licence only in separate
substantial hermetically closed metal vessels containing not more than 1
lb. apiece and in quantities not exceeding 5 lb. in the aggregate, and
having regard also to the fact that regulations are issued by local
authorities, the Fire Offices' Committee of the United Kingdom has not up
to the present deemed it necessary to issue special rules with reference
to the storage of carbide of calcium.

The following is a copy of the rules issued by the National Board of Fire
Underwriters of the UNITED STATES OF AMERICA for the storage of calcium
carbide on insured premises:

RULES FOR THE STORAGE OF CALCIUM CARBIDE.

(_a_) Calcium carbide in quantities not to exceed six hundred (600)
pounds may be stored, when contained in approved metal packages not to
exceed one hundred (100) pounds each, inside insured property, provided
that the place of storage be dry, waterproof and well ventilated, and
also provided that all but one of the packages in any one building shall
be sealed and the seals shall not be broken so long as there is carbide
in excess of one (1) pound in any other unsealed package in the building.

(_b_) Calcium carbide in quantities in excess of six hundred (600)
pounds must be stored above ground in detached buildings, used
exclusively for the storage of calcium carbide, in approved metal
packages, and such buildings shall be constructed to be dry, waterproof
and well ventilated.

(_c_) Packages to be approved must be made of metal of sufficient
strength to insure handling the package without rupture, and be provided