( 4 77 ) 
iq. The Powder ufed in a Set of.rjiefe Exjper,irnents 3 , ought 
to be all of the (am e '-good hefs. ' *, f ‘f "" , ■■ ' ' . ; . ' 
11. The fame Bullet is to be made life of, if it can be had , 
till the Figure of it be marred 5 otherwile another as neat of 
' the fame. Size, Shape, and Weight, as is pofiible. 
12. The ftrength of. the Wind', is to be obferved at 'every 
time of Shooting 5 which may be dope by an Engine, made by 
the lately nam’d Operator. 
13. Ohferve alio the Pofition of the Wind , with a Fane, and' 
Compafs at every Shot. 
14. Note abb, at what Azimuth the Mark ftands from the Gun, 
15. Take precife notice , what efieft the Wind hath every 
time upon the Bullet, in carrying further, in hindering, or turn- 
ing ifafide. 
16. Note -the Figure, dimenfions, and Weight of the Gun, 
Carriage and Wheels. 
17. The plat* form to be very Level!. 
18. The Wheels to be at every Shot placed in the very fame 
place and pofition, to .avoid inequalities. 
ip. Every thing to be exaUly recorded in a Bob'k , as alio e- 
very Accident and Obfervation. 
20. After all other Experiments are made, every Peece may 
be tryed with the right Charge of Powder , laying every time 
more and more Weight upon the Carriage 5 and at laft fixing 
the Gun fo, as it may not recoyle at all, obferving every time 
how far the Bullet goes, and how much lefs Powder than the 
full Charge will ferve to Shoot the Bullet , when the PeeceJs 
Ext, as far as the whole Charge does, when it recoyls freely. 
2 1» Care is to be had, that the Experiments with the Wedge , 
Tampion^ and the like, made for encreafing the force of the 
Powder, and the fixing of the Peece, do not endanger it. 
1. The Long Guns are to be made without any Ring about 
the 'Muzzle. 
2. The pieces cut of from the Muzzle, to be alwayes laid on 
the Carriage, when new fhots are mao. , or their weight off 
Lead In a convenient Figure, that the recoyl may Bill be the 
fame. 
3. The Quantity of Powder, that Shoots furthefi: in an Ordi • 
nary Culverin being known, there needs no Variation of It In the 
Longoae* - - " x ; . * 
Jnfrwr 
