Аннотация
A generalized theorem is given of which the well-known three-ray star-mesh transformation is a particular case. The formula is 6f a simple nature, and a great saving of labour results from its use. Three examples of application of the theorem follow : (1) To find the effective conductance between two points in a complicated network; (2) to find the effect of earth admittances oil the balance of a Wheatstone bridge; and (3) to simplify the capacity network in the fourwire telephone cable and obtain the effective unbalance capacity
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