[ >75 3 
The next Three Trials were with the fame Piece, 1 
the Charge Six Penny- weight, with a Ball weighing 
One Ounce Pour Penny-weight, being a Mixture of 
Lead and Tin, and fitting the Piece exa<5tly. 
The Quantities of Powder colle&ed each time were 
refpe&ively, One Penny-weight Five Grains ; One 
Penny- weight Five Grains ; and One Penny-weight 
Eleven Grains. 
The lad Three Experiments with the fame Piece, 
were made with a Charge of Twelve Penny-weight, 
the Weight of the Ball as before; and the Quantities of 
Powder collected, were found to be One Penny-weight 
Twelve Grains ; One Penny-weight Nine Grains ; and 
One Penny-weight Eight Grains and an half. 
The Waddings ufed in all thefe and the following 
Experiments, were of thick Leather cut round, to fit 
the Bore of the Piece. 
The Committee then proceeded to examine what 
Alteration might arife from a greater Length ofChace . 
The Experiments in this Cafe were made with a Barrel 
Three Foot Nine Inches in Length, and Three-fourths 
of an Inch in the Bore ; the Charges of Powder, and 
Weight of leaden Balls, were as before. 
In the FirfF Three Experiments with Six Penny- 
weight Charge, without Ball, the Quantities of Powder 
collected were Three Grains ; Nine Grains ; and Nine 
Grains, refpettively. In the Three next Experiments, 
with Twelve Penny-weight Charge, without Ball, the 
Quantities of Powder colle&ed were Thirteen Grains ; 
Nine Grains; and Sixteen Grains and an half. The 
Three following Experiments were with Six Penny- 
weight Charge and a Ball. The Powder collected 
was Two Grains; Three Grains; and Two Grains. 
The 
