1006 ME. r. JENKIN’S EXPEEIMENTAL EESEAECHES OX TEE TEAXSmSSIOX 
Table VI. — Signals through 1802 knots, in 9 coils. July 28, 1859. 
Maximum deflection with 72 p.p. . . . 168'*. 
13eat8 of metronome 
per minute. 
Signals sent. 
1 
Source of electricity 
in contact with line 
at near end. 
Duration of contact 
at near end. 
Limit of deflection 
at far end. 
First observation. 
Second observation. | 
j 
1 Mean limit of 
deflection caused 
1 by contact. 
Reduced mean limit 
of deflection caused 
by contact. 
Reduced mean 
amplitude of 
oscillation caused 
by two contacts. 
Diagrams showing changes of current at far end of line caused 
by the signals. 
Vertical scale ^ division (strength of current). 
Horizontal scale ih of an inch = 1 second (time). 
132 
Dots. 
72 p.p. 
E. 
0-455 
0-455 
70 
70 

70 
70 
41-6 
41-6 
less 
"Ithanld. 
66 dds fier minute. 
56 dots fier minute. 
so dots lur 'TniniiU 
&0 
so 
1 
t 
_ __ _J__ _ 
112 
Dots. 
72 p.p. 
E. 
0-536 
0-536 
76 
74 
— 
76 
74 
452 
44 
1-2 
1 
I 
20 _ . 
0 3" ip" 
1 1 1 1 1 1 ' 1 1 1 
100 
Dots. 
72 p.p. 
E. 
06 
0-6 
73i 
70 
— 
73i 
70 
43-4 
41-6 
1-8 
SC 
S' ip" jo s" jo- 
1 1 ( 1 1 1 1 1 1 1 ' 1 1 t ' 1 • < t 
92 
Dots. 
72 p.p. 
E. 
0-652 
0-652 
74i 
70 
— 
7H 
70 
44-3 
41-6 
2-7 
Dots. 
Dashes. 
Dob A dashes 
so 
30 
Dots 
and 
dashes. 
72 p.p. 
E. 
72 p.p. 
E. 
0-652 
0- 652 
1- 3 
0-652 
90 
85 
85 
90 
85 
80 
90 
85 
87i 
82i 
m 
87i 
52 
49 
55 
52 
20 3" JO" 
0 1 r' 1 1 1 ill 1 1 
0 3" m" 
1 1 , I 1 1 1 1 1 1 
0 3" w'' » 
1 1 ,1 J 1 1 1 1 1 
84 
Dots. 
Dashes. 
72 p.p. 
E. 
0-714 
0-714 
75 
70 
80 
75 
77i 
72i 
46-1 
43-1 
3-0 
• 
72 p.p. 
E. 
1-427 
0-714 
100 
90 
— 
100 
90 
59-5 
53-5 
6-0 
Dots 
and 
dashes. 
72 p.p. 
E. 
72 p.p. 
E. 
0-714 
0- 714 
1- 427 
0-714 
95 
85 
100 
93 
95 
86 
100 
94 
95 
85i 
100 
93i 
56-5 
50-9 
59-5 
55-6 
0 3" f 
LI LlLiJj L'_ — 
0 S' 10" 
J-J ' i-J_J 
0 S" ]o" 
L_J..L L-lJ- i-.L-JL-J- ' 2. 
! 
72 
1 
j 
Dots. 
72 p.p. 
E. 
0-833 
0-833 
76^ 
70 
81 
75 
79 
72i 
47 
43-1 
3-9 
m 
Dashes. 
72 p.p. 
E. 
1-666 
0-833 
112 
100 
— 
112 
100 
66-6 
59-5 
7-1 
Dots 
and 
dashes. 
72 p.p. 
E. 
72 p.p. 
E. 
0-833 
0- 833 
1- 666 
0-833 
97 
85 
105 
95 
85 
75 
97 
85 
105 
95 
57-7 
50-6 
62-5 
56-5 
0 s'' iJ' 
” 1 1 . 1 f" . 1 1 f" 
i 
1 
1 
1 
1 
j 60 
1 
! 
1 
Dots. 
72 p.p. 
E. 
1 
1 
80 
70 
824 
724 
49 
43-1 
5-9 
DO 
1 
so. 
Dashes. 
72 p.p. 
E. 
2 
1 
120 
100 
— 
120 
100 
714 
59-5 
11-9 
Dots 
and 
dashes. 
72 p.p. 
E. 
72 p.p. 
E. 
1 
1 
2 
1 
99 
85 
110 
95 
95 
80 
112 
90 
97 
824 
111 
92-4 
57-7 
49 
66 
55 
0 5" 10" 
1 1 1 1 1 1 1 1 1- 1 
0 f Y 
J. L L J J 1 
0 f' if 
1 
— ) 
( 
1 
Dots. 
72 p.p. 
E. 
1-2 
1-2 
83 
67 
80 
65 
81-4 
66 
48 5 
39-3 
9-2 
! 
50 
1 
1 
I 
Dashes. 
72 p.p. 
E. 
2-4 ; 120 
12 i 90 
125 
95 
1224 
924 
72-9 
55 
17-9 
Dots 
and 
dasnes. 
72 p.p. 
E. 
72 p.p. 
E. 
1-2 1 95 
1- 2 j 80 
2- 4 115 
1-2 1 85 
100 
85 
120 
90 
97-4 
824 
1174 
874 
58 
49 
69-9 
52 
0 S" jp" 
0 S" if 
0 3 " if 
40 
Dots. 
72 p.p. 
E. 
1-5 90 
1-5 I 65 
95 
70 
92-4 
67-4 
55 
402 
14-8 
XWl 
Dashes. 
72 p.p. 
E. 
3-0 
1-5 
! 125 
1 85 
130 
90 
127-4 
87-4 
75-9 
52 
23-9 
Dots 
and 
dashes. 
72 p.p. 
E. 
72 p.p. 
E. 
1-5 100 
1-5 ! 72 
3-0 120 
1-5 t 82 
102 
80 
125 
85 
101 
76 
1224 
834 
60-1 
45-2 
72-9 
49-7 
0 j" ip" 

0 . 3' to . 
L-1_J 
0 f" 10 " 0 
..L.i-i.J.i.I-J-LA.J ^ 
