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Improved Machine for Washing Paper Stock, Improved Wood Screw and Driver, and more

How Newspapers Are Made

The Earth a Magnet

Artificial Stone--The Process of its Manufacture

Shaw's Lock Washer

Mrs. Jones Patent Automatic Sieve

Colvin's Patent Cheese Vat

Recent American and Foreign Patents

Manufacturing, Mining, and Railroad Items

New Publications

Answer to Correspondents

Horace Greeley's Recollections of a Busy Life

Changes in the Elevation of Land--Subsidence of Coasts

Welding--Nature and Means of the Process

A Caution

Editorial Summary

Patents and Claims

Issued by the United states Patents Office


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October 21, 1868

Science for the Modern World