Electrical Rules, Tables, Tests and Formulæ (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Electrical Rules, Tables, Tests and Formulæ

We have therefore only to look up' for the reciprocal of the reading gag in Barlow's or other tables (for reciprocals 1 to 1000 see pp. 1 to multiply it by subtract 1 and multiply by R to get 3. For cop'fier resistance tests B may conveniently be taken as the nearest m tiple to the resistance of the cable or wire under test, and for insulation 1 megohm answers very well.

These slides are now very much used on cable expeditions, both during and after submersion.

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