The Pedespeed, Improved Fan Blower - pp183 - 184

doi:10.1038/scientificamerican03191870-183

PDF (661 KB)

Visit to a Steel Manufactory - pp184 - 185

doi:10.1038/scientificamerican03191870-184

PDF (414 KB)

An Interesting Review of the American Patent System - p185

Samuel A. Duncan

doi:10.1038/scientificamerican03191870-185

PDF (179 KB)

Products of the Pine Forest - pp186 - 187

Henry E. Colton

doi:10.1038/scientificamerican03191870-186

PDF (737 KB)

Woods' Saw-Gumming and Sharpening Machine - p187

doi:10.1038/scientificamerican03191870-187

PDF (328 KB)

Snyder's Improved Turbine Wheel - pp187 - 188

doi:10.1038/scientificamerican03191870-187a

PDF (549 KB)

Proposed Sale of the Yosemite Valley - p191

doi:10.1038/scientificamerican03191870-191

PDF (249 KB)

Co-Operation among Inventors - p191

doi:10.1038/scientificamerican03191870-191a

PDF (249 KB)

The Use of Salt in Agriculture - p191

doi:10.1038/scientificamerican03191870-191b

PDF (249 KB)

Something about Gases - pp191 - 192

doi:10.1038/scientificamerican03191870-191c

PDF (375 KB)

New Mechanical Movements - p192

doi:10.1038/scientificamerican03191870-192

PDF (469 KB)

Proposed Plan for Publishing Patent Office Specifications and Drawings - p192

doi:10.1038/scientificamerican03191870-192a

PDF (179 KB)

Congress Extending Patents - pp192 - 193

doi:10.1038/scientificamerican03191870-192b

PDF (179 KB)

Applications for Extension of Patents - p193

doi:10.1038/scientificamerican03191870-193

PDF (281 KB)

Answers to Correspondents - p193

doi:10.1038/scientificamerican03191870-193a

PDF (281 KB)

Recent American and Foreign Patents - pp193 - 194

doi:10.1038/scientificamerican03191870-193c

PDF (594 KB)

Progress of American Invention in Europe - p194

doi:10.1038/scientificamerican03191870-194

PDF (368 KB)

Official List of Patents - pp194 - 195

doi:10.1038/scientificamerican03191870-194a

PDF (606 KB)

Rotating and Fixed Turrets - pp195 - 196

doi:10.1038/scientificamerican03191870-195

PDF (1,223 KB)