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Features

Improvement in Bakers' Rotary Ovens, Improvement in Street Car Signals

Patent Office Report

Science Familiarly Illustrated

Extension Notices

Answer to Correspondents

Recent American and Foreign Patents

Turning a Movable Wheel Around a Fixed Wheel

Importance of a Commissioner

Commissioner of Patents' Report

Meretricious Ornamentation of Machinery vs Finish of Working Parts

Ships' Pumps Done Away With

Patents and Claims

Issued by the United States Patent Office

New Publications

Manufacturing, Mining, and Railroad Items

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