Table of contents

The Centrifugal Gun - p1

doi:10.1038/scientificamerican07061867-1a

Scofield's Wagon Brake - p1

doi:10.1038/scientificamerican07061867-1b

Trade Marks—The Letter “G” - p1

doi:10.1038/scientificamerican07061867-1c

Editorial Correspondence - pp1 - 2

doi:10.1038/scientificamerican07061867-1d

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Trial of Agricultural Machinery—Success of American Inventions - pp2 - 3

doi:10.1038/scientificamerican07061867-2

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Editorial Summary - pp3 - 4

doi:10.1038/scientificamerican07061867-3

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Gibson's Improved Bench Vise - p4

doi:10.1038/scientificamerican07061867-4

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Hersee's Improved Thill Glip for Vehicles - pp4 - 5

doi:10.1038/scientificamerican07061867-4a

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Science familiarly Illustrated - p5

doi:10.1038/scientificamerican07061867-5

Richardson's Patent Latch Fastener - p5

doi:10.1038/scientificamerican07061867-5a

Machinery for Cutting Stone and Tunneling - p5

doi:10.1038/scientificamerican07061867-5b

Current Recipes - p5

doi:10.1038/scientificamerican07061867-5c

Recent American and Foreign Patents - p7

doi:10.1038/scientificamerican07061867-7

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Answers to Correspondents - p7

doi:10.1038/scientificamerican07061867-7b

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Notice to Subscribers - p9

doi:10.1038/scientificamerican07061867-9

Machinery in Theatrical Representations - p9

doi:10.1038/scientificamerican07061867-9a

The Steamer “Bristol” - p9

doi:10.1038/scientificamerican07061867-9b

Electrical Anti-Incrustators - p9

doi:10.1038/scientificamerican07061867-9c