rA writer in the National Intelligencer of
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|A writer in the National 1nteiligeneer OF
yesterday states that the power of gslvanio cleo
,ricity, which a1r. CoLT has resorted to in his
submarine battery, for the purpose Of producing
ignition is due 10 scientific combinations of mate
rals which haze been long before the world. The
writer also contends that the particular application
OF this power to the purposes of explosion under
water az distance from the operator, which Mr..
Colt would appear to have claimed as his own, is
in truth due TO the abors of others. only it
regard. the idea and the means OF carrying it into
execution, but ii respects It's practcalen
pioyment on an extensive scale in actual operation.
In proof Of this, he instances the means employed
in England some time since for the purpose of
blowing up the wreck of the Royal George, which
were substantially idenscsl with those resorted to
by Mr.. Colt As further evidence in favor Of his
statement, the writer appends to his communica-
tion portion of an article whch appeared in the
Journal of the Franklin Institute for October,
1888 This article describes "e process and an
apparatus for blasting rocks, by means of galyanic
ignition and was written by Dr.. ROBERT HARE,
of Philadel pha, long before the operations Of the
English engineers the experiments of Mr. Colt.