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Improved Device for Loosening and Pulverizing Soil, Process for Preserving Wood

Editorial Correspondence

Clark & Elting's Excelsior Bolt and Duster

Science Familiarly Illustrated

The Wheel Question

Recent American and Foreign Patents

Manufacturing Mining and Railroad Items

New Publications

Extension Notices

Answers to Correspondents

Obituary--Sir David Brewster

Candles for Cars--The Kerosene Scare

First New England Iron Works

Patents and Claims

Issued by the United States Patent Office


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  • Patents

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