Improved Cotton and Hay Press - p175

doi:10.1038/scientificamerican09171870-175

PDF (324 KB)

Bells and Bell Metal - pp175 - 176

doi:10.1038/scientificamerican09171870-175a

PDF (504 KB)

British Railway Signals - p176

doi:10.1038/scientificamerican09171870-176

PDF (214 KB)

The Artisan in Austria, Russia, and Sweden - pp177 - 178

doi:10.1038/scientificamerican09171870-177

PDF (457 KB)

Gleason's Improved Band Saw - pp178 - 179

doi:10.1038/scientificamerican09171870-178

PDF (640 KB)

The Scarabæids—The Flower Beetles and their Allies - pp179 - 180

Edward C. H. Day

doi:10.1038/scientificamerican09171870-179

PDF (556 KB)

The Training of Prussian and French Soldiers - pp181 - 182

Archibald Maclaren

doi:10.1038/scientificamerican09171870-181

PDF (532 KB)

The Increasing Use of Glycerin - p183

doi:10.1038/scientificamerican09171870-183

PDF (252 KB)

The Government Storm Signals - p183

doi:10.1038/scientificamerican09171870-183a

PDF (252 KB)

Mechanical Drawing - pp183 - 184

doi:10.1038/scientificamerican09171870-183b

PDF (453 KB)

Female Inventive Talent - p184

doi:10.1038/scientificamerican09171870-184

PDF (243 KB)

American Magazine Literature - p184

doi:10.1038/scientificamerican09171870-184a

PDF (243 KB)

The Franco-Prussian War - p184

doi:10.1038/scientificamerican09171870-184b

PDF (243 KB)

The Sheffield Scientific School of Yale College - p185

doi:10.1038/scientificamerican09171870-185

PDF (211 KB)

Harvard School of Dentistry - p185

doi:10.1038/scientificamerican09171870-185a

PDF (211 KB)

Scientific Intelligence - pp185 - 186

doi:10.1038/scientificamerican09171870-185b

PDF (487 KB)

Answers to Correspondents - p186

doi:10.1038/scientificamerican09171870-186a

PDF (334 KB)

Recent American and Foreign Patents - pp186 - 187

doi:10.1038/scientificamerican09171870-186b

PDF (594 KB)

Official List of Patents - pp187 - 188

doi:10.1038/scientificamerican09171870-187

PDF (651 KB)