The Cere Viaduct, Railway Economy - pp167 - 168

doi:10.1038/scientificamerican03121870-167

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On Tin - p168

Charles A. Joy

doi:10.1038/scientificamerican03121870-168

PDF (205 KB)

The Century Plant - p168

John Ramsay Gordon

doi:10.1038/scientificamerican03121870-168a

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On a New Method of Straightening High Chimneys - p169

doi:10.1038/scientificamerican03121870-169

PDF (397 KB)

Working Millstones With an Air Blast - p170

doi:10.1038/scientificamerican03121870-170

PDF (288 KB)

William's Improved Tracelock - p170

doi:10.1038/scientificamerican03121870-170a

PDF (288 KB)

J. D. Michael's Patent Egg Box - pp170 - 171

doi:10.1038/scientificamerican03121870-170b

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Platinized Looking-Glasses - p172

C. Widemann

doi:10.1038/scientificamerican03121870-172

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Apparatus for Purifying the air by the Evaporation of Coal Tar, Pitch, Carbolic Acid, Phenic Acid, or Any other Disinfectant for Apartments, or Hospitals - p172

C. Widemann

doi:10.1038/scientificamerican03121870-172a

PDF (386 KB)

L. S. Clark's Improved Shaft-Bar for Single Sleighs - p172

doi:10.1038/scientificamerican03121870-172b

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Spring Balance for Chemicals - p174

doi:10.1038/scientificamerican03121870-174

PDF (407 KB)

Wood Engravings - p175

doi:10.1038/scientificamerican03121870-175

PDF (287 KB)

Hardening and Tempering Steel - p175

doi:10.1038/scientificamerican03121870-175a

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Inertia and Vis Inertiæ - p175

doi:10.1038/scientificamerican03121870-175b

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An Inexplicable Power - pp175 - 176

doi:10.1038/scientificamerican03121870-175c

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Lockage Waste on Our Canals - p176

doi:10.1038/scientificamerican03121870-176

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Restrictions on the Weighing of Coal - p176

doi:10.1038/scientificamerican03121870-176a

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The Water Wheel Tests at Lowell - pp176 - 177

doi:10.1038/scientificamerican03121870-176b

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Answers to Correspondents - p177

doi:10.1038/scientificamerican03121870-177

PDF (330 KB)

Recent American and Foreign Patents - p178

doi:10.1038/scientificamerican03121870-178

PDF (297 KB)

Official List of Patents - pp179 - 180

doi:10.1038/scientificamerican03121870-179

PDF (951 KB)