Electric Gas Lighting: How to Install Electric Gas Ignition Apparatus

by H. S. Norrie

The New Standard Dry Cell.

The principal sizes of this cell (Fig. 54) are as follows:

No. 2—5-7/8 × 2-7/16.
No. 3—3-3/4 × 1-7/8.
No. 5—6 × 2-9/16.
No. 6—6 × 3.
No. 7—7 × 3.

The electromotive force is 1.5 volts, current of the No. 7 size on short circuit, 24 amperes. Nos. 2, 5, 6, or 7 are most suitable for electric gas lighting, either by simple primary coil or jump spark coil.