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Features

Shell Flowers

A Two-Bottle Marking Ink

By R. Wright

How Statues are Made

The Sources and Applications of Borax

By E. L. Fleming

On the Magnetization of Metals

By Thomas T. P. Bruce Warren

The Telephone as an Optical Current Measurer

By Max Wien

The Electric Tramway at Budapest

By F. Uppenborn

The New England Portelectric Company's System of Transportation

An Enlarged Waterway Between the Great Lakes and the Atlantic Seaboard

By E. L. Corthell

Edmund Becquerel

Comparison of Water Supply Systems from a Financial Point of View

Riveted Joints in Boiler Shells

By William Barnet Le van

Iron Ore Deposits

By R. W. Raymond

Recent Conceptions of Arcturus

By Wm. H. Knight

Effects of Tuberculine on Monkeys

New Remedies

The General Features of the Vegetation of Louisiana and Adjoining Region, and its Products, in Relation to Pharmacy and Allied Industries

By Chas Mohr

Fertilizer Analysis

Pyramidal Bellflower

Building Plans and Specifications

Manganese in Iron and Steel

By L. Blum

Patents!

The Purity of Benzene

By C. Liebermann and A. Sergewetz

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    July 04, 1891

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