[ '74 3 
Blit - the Irregularities in this manner of colle&ing 
the Powder unfired, giving reafon to fufped, that fome 
Powder cfcaped Sideways, beyond the Paper laid to 
receive it, it was propofed to have a Machine made, 
which being clofe every-where but at the End where 
the Muzzle of the Piece was to be placed, might there- 
by hinder the Powder from being diflipated. Such a 
Machine was contrived by Mr. Ellicot , and by him 
prefented to the Committee, being a Frame of Wood 
in Shape like a truncated quadrangular Pyramid ; at 
the fmaller End was a Board to receive the Shot, and 
the Four Sides of the Machine were covered with 
thick Paper ftrongly pafted together, and fo prepared 
as to prevent its taking Fire. This Machine, fupported 
by Props, was placed upon one of its Angles, the Car- 
riage for fixing the Barrels was placed clofe to the 
greater Bafe, which was left open. The Refult of 
the feveral Experiments were as fohows : 
The Three firft Experiments were made with a Barrel 
Eight-tenths of an Inch Diameter of the Bore, and the 
Length of the Chace Five Inches T wo-tenths of an Inch. 
The Charge each time was Six Penny- weight of Pow- 
der without Ball ; the Quantities of Powder colletted 
were refpe&ively. One Penny-weight Nineteen 
Grains ; One Penny-weight Twenty-one Grains 5 and 
One Penny-weight Twenty Grains. 
Three other Experiments were made with the fame 
Piece, and with Twelve Penny-weight Charge, with- 
out Ball. The Quantities of Powder colle&ed were 
Four Penny-weight Eighteen Grains 5 Four Pcnny- 
weightTwo Grains and an half 5 and Four Penny- weight 
Twenty-two Grains. 
The 
