Apparatus for Emptying Cesspools - pp255 - 256

doi:10.1038/scientificamerican10251873-255

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Technical Research and Education - p256

doi:10.1038/scientificamerican10251873-256

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The Vienna Prizes - p256

doi:10.1038/scientificamerican10251873-256a

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Failure No. 2 of the Balloon to Europe - p256

doi:10.1038/scientificamerican10251873-256b

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Caoutchouc from Common Plants - pp256 - 257

doi:10.1038/scientificamerican10251873-256c

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Recent Gunnery Trials - p257

doi:10.1038/scientificamerican10251873-257

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Crude Petroleum for Fuel - p257

doi:10.1038/scientificamerican10251873-257a

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Street Pavements - p257

doi:10.1038/scientificamerican10251873-257b

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Curiosities of Butter and Churning - p257

doi:10.1038/scientificamerican10251873-257c

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Scientific and Practical Information - p257

doi:10.1038/scientificamerican10251873-257d

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Inextinguishable Fire for Life Buoys - p258

doi:10.1038/scientificamerican10251873-258

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The English Steam Launch Firefly - pp258 - 259

doi:10.1038/scientificamerican10251873-258a

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Peripolar Induction - p259

doi:10.1038/scientificamerican10251873-259

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Demming's Grown Sash Fastener - p259

doi:10.1038/scientificamerican10251873-259a

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Improved Press for Fruit, Lard Etc. - pp259 - 260

doi:10.1038/scientificamerican10251873-259b

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That Ancient Sewing Machine - p260

doi:10.1038/scientificamerican10251873-260

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Letter from United States Commissioner - p261

R.H. Thurston, Professor, By

doi:10.1038/scientificamerican10251873-261

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Palmer's Power Spring Hammer - p262

doi:10.1038/scientificamerican10251873-262

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Improved Railroad Switch - p262

doi:10.1038/scientificamerican10251873-262a

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A Forty Thousand Dollar Cow - p263

doi:10.1038/scientificamerican10251873-263

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Helicoidal Concavo-Convex Propeller - p263

doi:10.1038/scientificamerican10251873-263a

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Meeting of the British Association - p264

doi:10.1038/scientificamerican10251873-264

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Rare Chance to Advertisers - p264

doi:10.1038/scientificamerican10251873-264a

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A Valuble Drafting Instrument - p264

doi:10.1038/scientificamerican10251873-264b

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Recent American and Foreign Patents - p265

doi:10.1038/scientificamerican10251873-265a

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Answers to Correspondents - p266

doi:10.1038/scientificamerican10251873-266b

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Communications Received - p266

doi:10.1038/scientificamerican10251873-266c

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