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January 19, 1884, Volume 50 No 3 pp31-45

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Departments

Correspondence

Correspondence p41

doi:10.1038/scientificamerican01191884-41

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Business and Personal

Business and Personal pp42 - 43

doi:10.1038/scientificamerican01191884-42e

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Notes and Queries

Notes and Queries p43

doi:10.1038/scientificamerican01191884-43

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Index

Index of Inventions pp43 - 44

doi:10.1038/scientificamerican01191884-43a

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Patent Notes

Patents p45

doi:10.1038/scientificamerican01191884-45

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Articles

Application of Electricity to Tunneling pp31 - 32

doi:10.1038/scientificamerican01191884-31

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The Nullification of the Patent Laws p32

doi:10.1038/scientificamerican01191884-32

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Magnetism in Cities p33

doi:10.1038/scientificamerican01191884-33

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A Blow at the Industries of Indiana p33

doi:10.1038/scientificamerican01191884-33a

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Working Cold Wrought Iron p33

doi:10.1038/scientificamerican01191884-33b

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Restoration of American Shipbuilding p33

doi:10.1038/scientificamerican01191884-33c

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Process of and Apparatus for Blocking Ice p34

doi:10.1038/scientificamerican01191884-34

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Blotter p34

doi:10.1038/scientificamerican01191884-34a

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Improved Double Mould Board Plow p35

doi:10.1038/scientificamerican01191884-35

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Hose Reel p35

doi:10.1038/scientificamerican01191884-35a

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Plow p35

doi:10.1038/scientificamerican01191884-35b

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Engine Lubricator pp35 - 37

doi:10.1038/scientificamerican01191884-35c

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The Strength of Lead Pipes p38

doi:10.1038/scientificamerican01191884-38

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Soemmering's Electric Telegraph pp38 - 39

doi:10.1038/scientificamerican01191884-38a

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The Chimpanzee and Koolokamba pp39 - 40

doi:10.1038/scientificamerican01191884-39

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Nut Lock p40

doi:10.1038/scientificamerican01191884-40

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Engineering Inventions p42

doi:10.1038/scientificamerican01191884-42

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Mechanical Inventions p42

doi:10.1038/scientificamerican01191884-42a

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Agricultural Inventions p42

doi:10.1038/scientificamerican01191884-42b

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Miscellaneous Inventions p42

doi:10.1038/scientificamerican01191884-42c

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Insurance p42

doi:10.1038/scientificamerican01191884-42d

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