The New York herald., 1862-03-08

portion OF cannon and proeccs manufactured at this
establishment this year will far exceed the above Hgures
aud probably will bo noarly three times as large. AZ
present the foundry is turning about guns
per week, comprising all cabres, and proecties pro-
Inc Parrctt gun is cannon made OF cast iron, the
strongest that be obtained, tho iron for each
esod and not used unless II will boar pressure OF
tnrty tnousand pounds TO the square inch Az stated
aooye u Is further srengheneda tho breech where tho
expson OF the powder taos place this is subjected
~ st strain by means OF wrought iron band,
~ ne orh STATED In the fore part OF this letter The I'D
sTength impaired to the gun by this band
Ds 70 resist tho strain OF the elongated projeces
enabesa gun Of the cabre to bs made much lighter
than tne od ashoned guns enabling generals to
cannon OF larger calbre in the field and artillery
vice than any other style Of gun now in use
Parrott gun that win weigh eleven hundred pounds
Is the same caibre OF the colnbiad or Dahgren gun
that weighs fifteen hundred pounds an average OF
six hundred pounds difference between the guns Of the
samo calbe and yet, by virtue of the wrought iron
band and the way Is put on the PARROT guns the
stronger Of the two, as well convenient 70
handle and of course far correct and longer range
In another point are they superior to the old fashioned
gun While the Parrot gun, 100 Founders ut an e'eva
ton of twenty degrees and ten pounds Of powder will
send ono hundred pound shot 200 yards and perhaps
would have gone much further If longer range could b
had, smooth bore ocumbiad with eighteen pounds Of
powder, also atan elevation OF twonty degrees. sent
sunSea pound shot only s%s q
the same time eight pounds less Of powder. Whles
therefore, the Of the PARROT gun style be
made much lighter and still be stronger than the old
fashioned guns and at the time tako less powder 70
accomplish the work. thus far not of this mako Of
guns has over exploded in the breech although they
have been subjected TO the soverest test Tho Parrot
gun takes onetenh much powder tho weight OF the
projectcone hundred pound shot, ten pounds of pow
DER thirty pound shot she'll three pounds Of powder
twenty poundsshot, two pounds OF powder &c.
Tho projcces used are Of two kinds, and are abous
their calibre in length with end pointed. One kind
is mado with wrought iron cap protection at the base,
at the BORE which is made Of the best plate iron and
cast On the SHE'LL The other Kind Of similar form,
butt instead Of the wrought iron cap provided with
composition ring at the base, which is attached ia
peculiar manner TO tho SHE'LL Both Of these caps are
slightly expanded TO At loosely into the r1ed groove
Of the gun but not enough to interfere in way with
the loading tho complete expansion being effected by the
explosion Of the POWDER and thus all danger Of peoss
blowing off from the projectile is avoided.
have thus hastily waded through some Of the points
Of interest afforded at this place, which by military or
ders, have had the pleasure Of witnessing. have
endsavored TO give the most important point and have
boon compelled to leave ont many interesting features
Prepared s In haste have simply to add that the
riao III. guns has been in every particular sasfacso
ry to the Military Committee Of tho Legislature. The
guns which to be purchased under the act for the
public defence will doubtless bc all PARROT guns unless
John Bull gets his back up and forces into before
they can be made.