62 
MINUTES OF PROCEEDINGS OF 
Comparative trial of 68-pr. cast-iron shot made of scrap and cast-iron, 
and 68-pr. shot made of Dr Price's refined iron, both manufactured in the 
Eojal Laboratory, Woolwich, 
17th Novembek. 
Projectile. 
Effects. 
| Number of round. 
d 
ft 
© 
'J3 
* 
& 
fcx 
o 
+3 
An 
o 
s 
1 
o 
o 
© 
1 
"cS 
ft 
Nature. 
Weight in lbs. 
Form. 
Charge in lbs. 
| Elevation. 
Depth of indent 
in inches. 
Diameter of in¬ 
dent in inches. 
Remarks. 
1 
692 
68-pr. 
smooth¬ 
bore 
gun. 
Solid shot, 
R. L. 
67-250 
Sphe¬ 
rical, 
7-88 // 
dia¬ 
meter. 
16 
20 
2-2 
8-9 
A vertical crack 15" long; back¬ 
ing cracked 7" horizontally, 
and bulged back 4-5" 
2 
693 
» 
» 
66-625 
7-90" 
dia¬ 
meter. 
55 
55 
2-5 
8-8 
x 8*2 
A few slight cracks on plate; half 
of shot struck on T iron. 
3 
694 
)> 
Dr Price’s 
66-0 
7-87" 
dia¬ 
meter. 
” 
55 
2-2 
8-9 
x 8-3 
A vertical crack 19-5" long; 
backing split, and bulged 6". 
4 
695 
» 
» 
66-625 
» 
- 
” 
8-9 
A vertical crack 6" long; back¬ 
ing spilt and bulged. 
Note. —These shot were fired at Scott Russell’s target, at 200 yards range. 
