THE BOMB CANNON.
{"newspaper_name": "Weekly national intelligencer.", "edition": "01", "page": "p4", "byline": "Lieut.. Col. GEoRsE TALcorT,\n\n\nOrdnance Department"}
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The Boston Post of Saturday gives the follow
ing account of conclusive experiments made in the
vicinity of that city recently with bomb cannon


''The experiments with the twelve inch cannon
Gently Ayers foundry resumed at South Boston
Point Wednesday, and continued until yesterday after
In ALL il has been fired ninety three times, at different
elevations with various charges and fuses calculated 10 burn
different lengths Of time. The main experiment tIied
yesterday with perfect success with the regular service charge
Before the cast Col Bomford relying upon his
calculations based upon the proportions Of the piece predict
ed that would carry quarter Of mile further than any
shot record 1t loaded AM elevated follows 25
lbs Of powder and shell Of 1872 lbs containing lbs. Of
POWDER and fitted with 3G seconds fuse and elevated 35
degrees being four less than the elevation which may be
fired The shell fell at distance Of three and half miles,
at Squantum, buried itself five feet in rocky bed where IT
exploded, tearing pit twelve feet in diameter
the top and throwing rocks large hoyshead Such
shot taking effect upon ship must destroy her. The gun
fixed wooden carriage, with iron astenings and
trio wheels invented by Major Webber Tne recoil the
firing described twenty inches The greatest dis
lance Of any shot record three miles and quarter The
length Of the gun but ten feet the usual length Of long
thrytwo FOUNDER. In the Of the afternoon
discharges made with eight and seconds fuses and
several shells exploded OF tue height Of about mile,
spreading their fragments great surface the be-


low and leaving suspended in the air dense body Of smoke
resembling balloon, and nothing else Several gentlemen
present from the city witness the firing, which
under the direction Of Col Bomfod assisted by Lieut. Rod
man, of The ordnance service.


"During the intervals of firing the 'Columbad,' Lieut..
Harwood, OF the navy, repeatedly fred short thirty
FOUNDER charged with SHE'LL several OF which made


explode in the air. heights and distances cal
cuaed Several rcoche shots also fred with both
guns One object Of these experiments is prove that
dunn length be constructed discharge shot
shell with equal precision and safety and hereafter
United States ships will be fitted with thirty twos Of the
kind Lieut.. Harwood is experimenting with. The 'Courn
bad unaffected in every respect by the several tests
to which il has been subjected,