American Mechanical Engineers - p320

doi:10.1038/scientificamerican11201880-320

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Electric Discharges from Animals and Men - p320

doi:10.1038/scientificamerican11201880-320a

PDF (479 KB)

A New System of Apprenticeship - p320

doi:10.1038/scientificamerican11201880-320b

PDF (479 KB)

The Expansion of Steam - p321

R. H. Thurston

doi:10.1038/scientificamerican11201880-321

PDF (188 KB)

London Fogs - p321

doi:10.1038/scientificamerican11201880-321a

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The Butler Colliery Fire - p321

doi:10.1038/scientificamerican11201880-321b

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American Industries—No. 60 - pp322 - 325

doi:10.1038/scientificamerican11201880-322

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The Step of Man - p325

doi:10.1038/scientificamerican11201880-325

PDF (225 KB)

Center Turning Attachment for Lathes - p326

doi:10.1038/scientificamerican11201880-326

PDF (323 KB)

Ericsson's Duplex Caloric Pumping Engine - pp326 - 327

doi:10.1038/scientificamerican11201880-326a

PDF (613 KB)

The Golden Eagle - pp327 - 328

doi:10.1038/scientificamerican11201880-327

PDF (321 KB)

Natural Ponds for the Cultivation of Carp for Private Use - pp328 - 329

doi:10.1038/scientificamerican11201880-328

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Agricultural Inventions - p330

doi:10.1038/scientificamerican11201880-330

PDF (178 KB)