WITH A LARGE MAGNETO-ELECTRICAL MACHINE.
3
Quantity Arrangements.
Size of Inductor
Length of Copper Wire.
Time ob-
Length
No.
Cylinders.
Plates.
Diameter of Wire.
Insulated
with
Connected.
in
taining a cubic inch of Gas.
of Platina wire heated.
Diameter.
Length.
1
2
2 3
Brass.
i
TT
f Cotton &In- 1 dia Rubber.
1 coil of
72 yards.
1 min.
1 in.
2
do.
do.
do.
do.
do.
2
»
36 each.
5 „
3
3
do.
do.
Ivory.
do.
White Silk.
1
yy
1 00 yards.
9 „
1
4 yy
4
do.
do.
do.
do.
do.
2
}>
50 each.
If „
1 „
5
do.
do.
do.
do.
do.
1
yy
64 yards.
ii
A 2 »
H y>
6
do.
do.
do.
do.
do.
2
yy
32 each.
No effect.
l
8 »
Size of Ovals.
Copper Ribbon.
Greatest
Diam.
Least
Diam.
Length.
Thick.
Width.
7
3a
2
O 3
"Ter
l
5 2
1
Thick paper.
1
yy
1Q1
>>
No effect.
No eff.
8
do.
do.
do.
do.
do.
do.
2
6f „
do.
do.
9
Cylin.
5
in.
do.
i
Too
1
Thin paper.
1
yy
48 „
24 min.
| in.
10
do.
do.
do.
do.
do.
do.
2
„
24 „
14 „
1
2 »
Quantity Spark. Scintillations.
Best... 4... 5... 9. ..10... 7. ..1... 2... 3... 6.. .Worst. Best.. .5.. .4...!.. .2..3. ..6.. .Worst.
Intensity Arrangements.
No.
Size of Inductor Cylinders.
Plates.
Diameter of Wire.
Insulated
with
Connected
in
Length of Copper Wire.
Time obtaining a cubic inch of Gas.
T3
<U
7s
O)
XI
<0
Diam.
Length.
Hours.
Min.
11
If
2 lV
Brass.
1
Cotton.
1 coil of
1412 yards.
No effect.
£
12
do.
do!
do.
do.
do.
2 „
706 „
2
20
a
13
do.
do.
Ivory.
Silk.
1 „
554 „
2
4
14
do.
do.
do.
do.
do.
2 „
277 „
12
eu
15
do.
do.
do.
do.
do.
1 „
894 „
5#
0
o
16
do.
do.
do.
do.
do.
2 „
447 „
#
Size of Platina plates Used in the above decompositions, 1 inch by -|. Experiment 15, repeated with fine-pointed platina wires, 1 cubic inch of gas in 20 minutes. The light from charcoal by comparison.
Best... 15... 13... 14... 11... 12...3...2... 1... Worst.
The shocks by comparison.
Strongest...15...13...11...16...14...12.3...1...5...4...9...2...6...10...7...Weakest,
Intensity spark.
Long thin spark, with flame 12, ^ inch long...11^...14^...13f «15-§.