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Departments

Correspondence

Correspondence pp35 - 37

doi:10.1038/scientificamerican07141866-35


Inventions

New Inventions p37

doi:10.1038/scientificamerican07141866-37


Notes and Queries

Notes and Queries p37

doi:10.1038/scientificamerican07141866-37a


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Articles

Improved Quartz Stamper, An English Ship-builder on American Engines, and more pp31 - 32

doi:10.1038/scientificamerican07141866-31


Oil-Mining Machinery Wanted p33

doi:10.1038/scientificamerican07141866-33


Emerson's Swage for Spreading and Sharpening Saw Teeth p34

doi:10.1038/scientificamerican07141866-34


Notes on New Discoveries and New Applications of Science p34

doi:10.1038/scientificamerican07141866-34a


The “Miantonomoh” at Queenstown p34

doi:10.1038/scientificamerican07141866-34b


Why Not? p34

doi:10.1038/scientificamerican07141866-34c


Special Notices pp37 - 38

doi:10.1038/scientificamerican07141866-37b


Irwin's Lamp Top p38

doi:10.1038/scientificamerican07141866-38


Man-Holes and Safety Valves p39

doi:10.1038/scientificamerican07141866-39


Building of Roads for Common Travel p39

doi:10.1038/scientificamerican07141866-39a


Canadian Patents p39

doi:10.1038/scientificamerican07141866-39b


Patent Claims pp40 - 46

doi:10.1038/scientificamerican07141866-40


The Sewing Machine and the Shoe Manufacture p46

doi:10.1038/scientificamerican07141866-46


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