11361
On the Occurrence of Paraffine in Crude Petroleum.--A
valuable contribution to the history of paraffine, with
reference to petroleum and ozokerite. 11361
Turpentine and its Products.--By EDWARD DAVIES.--A resume
of the work done by chemists in the turpentine products.
--The different compounds produced therefrom. 11361
IV. ELECTRICITY.--Electric Lighting at the Paris Exhibition.
--The Oerlikon works.--A very exhaustive exhibition of
electric apparatus described and illustrated.--12
illustrations. 11356
Magnetism in its Relation to Induced Electromotive Force
and Current.--By ELIHU THOMSON.--A most impressive paper,
bringing the obscure laws of magnetic induction within the
understanding of all without the application of
mathematics.--12 illustrations. 11354
The Ader Flourish of Trumpets.--One of the curiosities in
telephony from the Paris exhibition, by which sounds are
transmitted to a large audience.--4 illustrations. 11358
The Electric Motor Tests on the New York Elevated
Railroad.--Abstracts of tests which were recently made of
the Daft motor on the elevated railroad of this city.
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