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<br />EXPLOSIVES. <br />The exulosives used are the 400, 7~8 in. California <br />Giant powder, 4% caps, German ittsoloid fuse, same being <br />stored in blac'rsmith shop, in lots of 5~~, <br />i ; A powder thawer, consisting of a galvanized water <br />pail, v;ith en inside compartment fnr <br />i~ powde?•, is employed, <br />the space between the pail and the inside compartment being <br />occupied by r:erm v:ater ~;hich heats the powder. • <br />4 <br />,~ <br />