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denser. (Illustrated.)

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Discussion at Chicago by A. S. Hibbard, R. H. Pierce, W. H.

Merrill, A. V. Abbott, S. G. McMeen, R. E. Richardson, C. G.

Burton and W. M. Stine

REGULAR MEETING, NEW YORK, OCTOBER 27, 1897.

REGULAR MEETING, NEW YORK, DECEMBER 15, 1897.

Sparking, its Cause and Effect.-(Illustrated.) By Thorburn Reid.
Discussion by Gano S. Dunn, Chas. P. Steinmetz, Thorburn

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