Remarks.
{"newspaper_name": "Weekly national intelligencer.", "edition": "01", "page": "p4", "byline": ""}
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The quantity of cotton offered for trial too small to ad-
NIT Of repetition of the experiments. The above results
are therefore, to be regarded only approximative To
give fair indication of the force of this explosive sub
stance, would be necessary TO make experiments the
best mode Of using in the gum especially with regard the
proper degree Of compression by rammng comparison Of
the results Of the two charges Of sixty grains shows
be anticipated, marked variation produced by different de-
grecs of compression The ball and wad occupying every
height Of about three ourhs Of nch the space
cuped by the cotton the gunpowder may be deduced from
the height OF the charge given in the table.


From these trials the guncotton to produce in the
muskct effect equal to about twice its weight of good rife
powder This cotton leaves small quantity Of dark
ored resduum in the musket barrel, extending from the
beech about half the length of the barrel this resduum
easily removed by wipng the barrel with rag The
busion of the gun-cotton unattended with smoke the
port made by appeared to sharper than that produced
gunpowder.


may be proper add that Mr.. Robertson does con-
slider this sample of the gun-coon be Of the best quality


Respectfully, your obedient servant,


A. MoRDECAI, Captain Of Ordnance.
Lieut. Col GEoRsE TALcorT,


Ordnance Department.