the iron supports. The windmill, connection of the cores with the permanent magnets ranged in the form of a canopy) of from 50 to 300 which was built by J. G. Benster, of Moline, IIl., is of characterizes the circuit closer. C.P. were on exhibition and gave a very brilliant, pleas- peculiar… … ment does not close any circuit, but produces the of air is passed by means of an electric fan; the A TREE WINDMILL. customary click, this part of the apparatus acting as warmed air is thus propelled forward from the hot coil a sounder in the particular case under consideration. through a…
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