Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 105
selves the numbers are very largeand laborious to calculate out by ordinary avithmetic. Referringback to what has been said about steel magnets, we had to usenumbers like 30,000, 180,000, for quite small magnets, while indynamo magnets we would require to deal with millions and millions,the fact… … Fig. 109 Magnetic Circuits Resistance system of units based on the inch-lb. system has been in use. Itwas first proposed and used by Mr. Gisbert Kapp. B is usually employed as a symbol for the density of the magneticlines per square inch in English measure. ^ the density per square centimetre in…
Electrical engineering · Electric power
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