Chapter VI

HOW TO SELECT BATTERIES FOR GAS LIGHTING.

Electrical Rules--Electromotive
force--Amperes--Resistance--Selecting a battery--Arrangement of
battery--Series--Multiple--How to get high voltage or large
current--The Leclanche Cell--The Samson Cell--The Dry Cell and
how to make one--The Edison-Lalande Cell--The Fuller Cell--Care
and maintenance of batteries 78

LIST OF ILLUSTRATIONS.

FRONTISPIECE--COMPLETE WIRING PLAN FOR A HOUSE.
1 DIAGRAM OF SIMPLE CIRCUIT 2
2 DIAGRAM OF SIMPLE CIRCUIT WITH SPIRAL 2
3 DIAGRAM OF SIMPLE CIRCUIT WITH SPIRAL AND GALVANOMETER 2
4 DIAGRAM OF CIRCUIT WITH IRON CORE 4
5 DIAGRAM OF RUHMKORFF COIL 4
6 ELEVATION OF RUHMKORFF COIL 6
7 PENDANT BURNER 7
8 BURNER CIRCUIT 8
9 PLAIN BURNER 10
10 RATCHET BURNER 11
11 STIFF-PULL PENDANT 12
12 STEM BURNER 14
13 ARGAND BURNER 15
14 WELSBACH BURNER 16
15 ACETYLENE BURNER 17
16 PUSH BUTTON 19
17 BARTHOLDI BURNER 21
18 BOSTON AUTOMATIC 22
19 CONCEALED AUTOMATIC 24
20 DIAGRAM WIRING ONE “AUTOMATIC” FROM TWO PUSHES 27
21 DIAGRAM WIRING ONE “AUTOMATIC” AND TWO PENDANT BURNERS 28
22 SIMPLE SWITCH CONNECTIONS 33
23 DETAILS OF AUTOMATIC CONNECTIONS 35
24 DETAILS OF CELLAR AUTOMATIC CIRCUITS 35
25 NUT WRENCH 40
26 AUTOMATIC OPERATED BY DOOR-TRIP 44
27 PRIMARY COIL 46
28 SYRACUSE CUT-OUT 50
29 BOSTON CUT-OUT 51
30 DETAILS CUT-OUT ROD--NORMAL 52
31 DETAILS CUT-OUT ROD--OPERATING 53
32 BULB CUT-OUT 54
33 JUMP SPARK BURNER 56
34 WELSBACH BURNER FOR SERIES LIGHTING 56
35 PILLAR BURNER 56
36 CIRCUIT FOR JUMP SPARK GAS LIGHTING 57
37 INSULATOR 59
38 EDWARDS’ CONDENSER 60
39 EDWARDS’ BURNER 61
40 EDWARDS’ BURNER 61
41 DIAGRAM OF EDWARDS’ CONDENSER CIRCUIT 62
42 CIRCUIT FOR JUMP SPARK SWITCH 64
43 ELECTROMAGNETIC TRAILER 66
44 DIAGRAM OF RUHMKORFF COIL CIRCUIT 68
45 WINDINGS OF SECTIONS 73
46 SECTIONAL DIAGRAM 74
47 CONTACT BREAKER 75
48 CONTACT KEY 76
49 FALL OF POTENTIAL DIAGRAM 79
50 SERIES ARRANGEMENT 81
51 MULTIPLE ARRANGEMENT 82
52 LECLANCHE CELL 84
53 SAMSON CELL 87
54 NEW STANDARD CELL 90
55 EDISON-LALANDE CELL 92
56 FULLER CELL 94
57 GRENET CELL 95