American Iron and Steel—Pittsburgh, the Iron City - pp49 - 51

doi:10.1038/scientificamerican01231869-49

PDF (1,275 KB)

The African Interior - p51

P. B. Du Chaillu

doi:10.1038/scientificamerican01231869-51

PDF (348 KB)

News for Mechanics - p51

doi:10.1038/scientificamerican01231869-51a

PDF (899 KB)

M'Master's Patent Clothes Line Holder - p52

doi:10.1038/scientificamerican01231869-52

PDF (572 KB)

West Spruce St. Baptist Church, Philadelphia - p53

doi:10.1038/scientificamerican01231869-53

PDF (455 KB)

Bureau of Naval Engineering—Some Hard Facts - p55

doi:10.1038/scientificamerican01231869-55

PDF (352 KB)

The Heaton-Bessemer Correspondence - p55

doi:10.1038/scientificamerican01231869-55a

PDF (352 KB)

Manufacturing, Mining, and Railroad Items - p55

doi:10.1038/scientificamerican01231869-55b

PDF (352 KB)

Answers to Correspondents - pp55 - 56

doi:10.1038/scientificamerican01231869-55c

PDF (867 KB)

Summary of the Velocipede - p56

doi:10.1038/scientificamerican01231869-56

PDF (537 KB)

Emery Wheels—How they should be Made - p56

doi:10.1038/scientificamerican01231869-56a

PDF (537 KB)

American Beet Root Sugar - p57

doi:10.1038/scientificamerican01231869-57

PDF (380 KB)

Do Laboring Men have Time to Study? - p57

doi:10.1038/scientificamerican01231869-57a

PDF (380 KB)

Increasing the Power of Steam by Superheating - p57

doi:10.1038/scientificamerican01231869-57b

PDF (380 KB)

Patent Office Contracts - pp57 - 58

doi:10.1038/scientificamerican01231869-57c

PDF (562 KB)

Improvement in Finishing Pictures - p58

doi:10.1038/scientificamerican01231869-58

PDF (200 KB)

The Philosophy of the Oven - pp58 - 59

doi:10.1038/scientificamerican01231869-58a

PDF (433 KB)

A New Register for Business Men - p59

doi:10.1038/scientificamerican01231869-59

PDF (250 KB)

Editorial Summary - p59

doi:10.1038/scientificamerican01231869-59a

PDF (250 KB)

Mechanical Skill of Savages - p60

doi:10.1038/scientificamerican01231869-60

PDF (496 KB)

Economical and Simple Heater for Steam Boilers - p60

doi:10.1038/scientificamerican01231869-60a

PDF (496 KB)

New Publications - pp60 - 61

doi:10.1038/scientificamerican01231869-60b

PDF (925 KB)

Recent America and Foreign Patents - p61

doi:10.1038/scientificamerican01231869-61

PDF (454 KB)

Official List of Patents - p61

doi:10.1038/scientificamerican01231869-61b

PDF (853 KB)