AUTO-SIGHTS. 
443 
iS.FFEMBEX !E2 0 
SOME TYPICAL RESULTS OF ACTUAL PRACTICE WITH AUTOMATIC SIGHTS. 
With 4 - 7 // Quick-Firing Gun. 
Range. 
D.R.F. 
On drum. 
Tide above 
or below 
mean tide 
level, 
Correc¬ 
tion on 
drum. 
Deflection 
Result. 
R. or L. 
Remarks. 
yards. yards. yards. yards. yards. yards. yards. 
At moving target, range 2,800—2,500 yards ; rate about four miles an hour. 
Time, 6 minutes 30 6 seconds (delay of about 25 mins, to pick up the target which the layer had lost 
and which could not be seen with the naked eye). 
Time not taken owing to delays in finding the target. 
Height of Gun above mean sea level 161 | feet. 
+5° 
+35 
5R 
5 R 
Range 
+20 
+ 15 
+ 5 
+ 10 
“ 3 
+ 5 
+ 15 
+ 10 
Range 
-50 
— 20 
- 7 
-50 
+ 7 
+ 10 
+ 1 
+ 2 
“ 5 
-40 
Hit. 
Hit. 
Front flag knocked 
away 5th round, and 
barrel knocked away at 
12 th round. 
Rear of target laid on 
for remainder of series. 
Height of Gun abo/e mean sea level 138 ^ feet. 
-20 
— 10 
... -90 
+60 
— 10 
Range 
+ 2 
— 2 
- 7 
Corrigenda : Page 437, line 13, for ' Appendix ’ read ' Appendices A. and B.’ 
