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Features

Improvement in Portable Forges, Sawing and Grooving Machines, and more

Science Familiarly Illustrated

Public Rights as Affected by Operations of Rail-Road Monopolists

Use of Raw and Cooked Food

How to Ascertain the Amount of Impurities in Water

Silk and Its Culture

Paper--Its Material and Uses

Richardson's Patent Method of Forging Hoes

The Best Way of Yoking Oxen

An English Economist on Railroad Reform

Recent American and Foreign Patents

Editorial Summary

Answers to Correspondents

A Scottish Cran-Nog

Warren's Patent Automatic Musketo Bar

The Patent Metallic Wheel Hub

Philosophy of the Use of Blueing in the Starching of Linen

Military Telegraphs

Cheap Fireproof Covering for Steam Boilers

Chemical Nomenclature and Symbols

Viscera and Vitality vs. Steel, Cord, and Whale-Bone

The Havre Exhibition

The Cause of Steam Boiler Explosions--The Bowery Accident

Small Philosophers

Patents and Claims

The West Side Elevated Railway

Extension Notices

Manufacturing, Mining, and Railroad Items

New Publications

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July 15, 1868

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