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  2. SCIENCE—INVENTION— CONSTRUCTION.

    PHILADELPHIA, June 10.—The mechanical and scientific world has been greatly excited of late by the discovery of a new motive power by a John W. Keely, of this city. The lately discovered motor is generated, ...

    Article : 1,752 words
  3. Scientific Notes.

    Professor Hildebrandsson has published, in the Transactions of the Royal Society of Upsala, a paper on the upper currents of the atmosphere. He has investigated the motion of the cirrus clouds by means of ...

    Article : 1,242 words
  4. Hand Support for Sheep Shears.

    As the sheep-shearing season is now at hand, a novel arrangement of a support for the hand while holding the shears, which we illustrate herewith, will doubtless prove of timely interest. The object of the device ... [ILLUSTRATED]

    Article : 186 words
  5. How to Build a Windmill.

    THE principal data connected with, windmills were disdiscovered by experimenters early in the present century, the best proportions for sails being ascertained, and most of the important details of construction being ... [ILLUSTRATED]

    Article : 1,266 words
  6. Fret Saw.

    I'ENCLOSE herewith a rough sketch of a fret saw machine, which will almost explain itself. A (Fig. 1) is an india-rubber door spring, attached to the square iron bar B, at the end of which is the clip which holds ... [ILLUSTRATED]

    Article : 228 words
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