Improved Grain Hulling Machine, Applications of Vulcanized Rubber - pp31 - 32

doi:10.1038/scientificamerican07151871-31

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Experiences of a Bureau Officer - p32

doi:10.1038/scientificamerican07151871-32

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The Application of Steam to Canals.—No. 5 - pp32 - 33

George Edward Harding, Esq., C.E., By

doi:10.1038/scientificamerican07151871-32a

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Phrenology and Spiritualism.—A Lively Discussion - pp33 - 34

doi:10.1038/scientificamerican07151871-33

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Wood-Boring Beetles.—The “Girdlers” - p35

E. C. H. Day, Professor

doi:10.1038/scientificamerican07151871-35

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Magrath's Chain for Hanging Sashes - p38

doi:10.1038/scientificamerican07151871-38

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Artificial Leech - p38

doi:10.1038/scientificamerican07151871-38a

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Metallic Lined Spool Head - p38

doi:10.1038/scientificamerican07151871-38b

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College Commencements - p39

doi:10.1038/scientificamerican07151871-39

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The Causes of Disease - p39

doi:10.1038/scientificamerican07151871-39a

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Prejudices, Ancient and Modern - p39

doi:10.1038/scientificamerican07151871-39b

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Ice a Necessity.—How It is Obtained in Quantity - p40

doi:10.1038/scientificamerican07151871-40

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Scientific Intelligence - pp40 - 41

doi:10.1038/scientificamerican07151871-40a

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Editorial Summary - pp41 - 42

doi:10.1038/scientificamerican07151871-41

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Answers to Correspondents - p42

doi:10.1038/scientificamerican07151871-42a

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Queries - p43

doi:10.1038/scientificamerican07151871-43

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Recent American and Foreign Patents - p43

doi:10.1038/scientificamerican07151871-43a

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Official List of Patents - pp43 - 44

doi:10.1038/scientificamerican07151871-43b

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Applications for Extension of Patents - p44

doi:10.1038/scientificamerican07151871-44

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Practical Hints to Inventors - p44

doi:10.1038/scientificamerican07151871-44a

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