Improved Bolt Cutter, Improved Self-Connecting Car Coupling, and more - pp215 - 216

doi:10.1038/scientificamerican04021870-215

PDF (570 KB)

The Manufacture of Fire Bricks - pp216 - 217

doi:10.1038/scientificamerican04021870-216

PDF (316 KB)

Something about Silver - p217

Charles A. Joy

doi:10.1038/scientificamerican04021870-217

PDF (170 KB)

The Guava - p217

John R. Gordon

doi:10.1038/scientificamerican04021870-217a

PDF (170 KB)

Chemical News - pp217 - 218

doi:10.1038/scientificamerican04021870-217b

PDF (446 KB)

What are Condiments? - p218

doi:10.1038/scientificamerican04021870-218

PDF (309 KB)

Natural History—The Great Auk - p219

James Orton

doi:10.1038/scientificamerican04021870-219

PDF (354 KB)

Improved Implement for Drawing Nails - p219

doi:10.1038/scientificamerican04021870-219a

PDF (354 KB)

Rapid Telegraphy - p222

doi:10.1038/scientificamerican04021870-222

PDF (375 KB)

Improved Coal-Breaking Machine - p222

doi:10.1038/scientificamerican04021870-222a

PDF (375 KB)

The Yosemite Valley - p222

doi:10.1038/scientificamerican04021870-222b

PDF (375 KB)

Portable Laughing Gas - p222

doi:10.1038/scientificamerican04021870-222c

PDF (375 KB)

The Darien Canal—Will it Pay to Build it? - p223

doi:10.1038/scientificamerican04021870-223

PDF (371 KB)

An Invisible Chain and a Silent Conflict - pp223 - 224

doi:10.1038/scientificamerican04021870-223a

PDF (525 KB)

The Study of Alloys - p224

doi:10.1038/scientificamerican04021870-224

PDF (163 KB)

Butter and Its Adulterations - p224

doi:10.1038/scientificamerican04021870-224a

PDF (163 KB)

How Fire Bricks are Made - p224

doi:10.1038/scientificamerican04021870-224b

PDF (163 KB)

The Wind Month - p224

doi:10.1038/scientificamerican04021870-224c

PDF (163 KB)

Economy in the Use of Time - pp224 - 225

doi:10.1038/scientificamerican04021870-224d

PDF (388 KB)

H S Patent Office - pp225 - 226

doi:10.1038/scientificamerican04021870-225

PDF (521 KB)

Answers to Correspondents - p226

doi:10.1038/scientificamerican04021870-226a

PDF (303 KB)

Recent American and Foreign Patents - pp226 - 227

doi:10.1038/scientificamerican04021870-226b

PDF (619 KB)

Official List of Patents - pp227 - 228

doi:10.1038/scientificamerican04021870-227a

PDF (712 KB)