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Artistic Bronze Casting

By George Simonds

Design for a Monument, by Klotz

Roman Carpentry

By Hosking

Artificial Gems

By Herman Reinbold

Harlow Vicarage, Essex

The Astronomer Royal of Ireland

The Pandiscope, or Lantern Sketcher, and the “Presto” Photographic Slide Carrier

The Micrometer Threads and Wires of Astronomical Telescopes

Amount of Horse Power used in Propelling Street Cars

By Augustine W. Wright

Sibley College Lectures.—IV

By J. M. Allen

Detection of Adulteration of Olive Oil

By A. Audoynaud


The Permissible Strain upon Brickwork

By B*amp*ouml;hme

Progress of the Telegraph in China

A Theory of the Connection between the Crystal Form and the Atom Composition of Chemical Compounds

By William Barlow

Sight for the Blind

Stunning and Burn by an Electric Lamp

By George Buchanan

Fire-Proof Individuals

The Story of Biela's Comet

A Lecture Delivered March 9, 1874, at the Sheffield Scientific School of Yale College*

By H. A. Newton

Heat Value of Coal Gas

Uneducated Reason in the Cicada

By J. S. Newberry


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March 20, 1886