Alternative Plans for the Panama Canal - p438

doi:10.1038/scientificamerican06031905-438

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An Attack on the Wire-Wound Gun - p438

doi:10.1038/scientificamerican06031905-438a

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The Preparation of Surfaces for Painting - pp438 - 439

doi:10.1038/scientificamerican06031905-438b

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Electricity and Bread - p439

doi:10.1038/scientificamerican06031905-439a

PDF (131 KB)

Science Notes - pp439 - 440

doi:10.1038/scientificamerican06031905-439b

PDF (398 KB)

Electric Mail Automobiles - p440

doi:10.1038/scientificamerican06031905-440

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The Graphic Chronometer - p441

Emile Guarini

doi:10.1038/scientificamerican06031905-441

PDF (241 KB)

Electric Dead Reckoner Used on “Valhalla” in the Ocean Race - pp441 - 442

doi:10.1038/scientificamerican06031905-441a

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History and Present Status of the Panama Canal - pp442 - 443

doi:10.1038/scientificamerican06031905-442

PDF (593 KB)

The Grubb Gun-Sight - p444

doi:10.1038/scientificamerican06031905-444

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The Algiers-Toulon Motor-Boat Race - pp446 - 447

doi:10.1038/scientificamerican06031905-446

PDF (527 KB)

Do Animals Reason? - p447

Nelson R. Briggs

doi:10.1038/scientificamerican06031905-447

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An Unusual Incident of Cable Work - p447

Edgar Russell

doi:10.1038/scientificamerican06031905-447a

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Patent Department - p448

doi:10.1038/scientificamerican06031905-448

PDF (254 KB)

Improved Dumping Car - p448

doi:10.1038/scientificamerican06031905-448a

PDF (254 KB)

An Improved Ditching Machine - p448

doi:10.1038/scientificamerican06031905-448b

PDF (254 KB)

A Puncture-Proof Tire - p448

doi:10.1038/scientificamerican06031905-448c

PDF (254 KB)

Business and Personal Wants - p450

doi:10.1038/scientificamerican06031905-450

PDF (585 KB)