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Features

Improved Boring and Mortising Machine

Clydonics

Miscellaneous Summary

Farmers' Club

Hawkins's Diving Mask

Recent English Patents

Great Crucible-Clay Deposit in Missouri

Special Notices

Recent American Patents

Sayre's Churn

Wilde's Button Fastening

Lochman's Liquor-Saving Funnel

Another Step Towards Flying

Opening Hot Safes

The Policy of Strikes

Training Up Mechanics

Patent Claims

Issued from the United States Patent-Office

Incrustation Powders

Defect in Steam Engines

Departments

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    Correspondence

  • Notes and Queries

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