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Notes

[1] These measurements only apply to a single line. Where a double line is
employed the capacity is halved.

[2] See Appendix A.

[3] See Appendix B.

[4] In wireless telegraphy "arcing" is principally caused by the
continuation of the supply current in the spark-gap after the capacity has
been charged to a potential sufficient to break down the insulation of the
gap.

[5] See Chapter V.

[6] Nernst lamps are the best to use, as they produce abundantly the blue
and v