Air Spring Printing Press - p407

doi:10.1038/scientificamerican06221872-407

PDF (462 KB)

Novel Mode of Sawing Wood Without a Saw - pp407 - 408

doi:10.1038/scientificamerican06221872-407a

PDF (851 KB)

The Kaolin of the United States - p408

doi:10.1038/scientificamerican06221872-408

PDF (403 KB)

Portable Frescoes - p409

doi:10.1038/scientificamerican06221872-409

PDF (353 KB)

Cincinnati Exposition - p409

doi:10.1038/scientificamerican06221872-409a

PDF (353 KB)

The Unit Measure of Electrical Resistance - p409

doi:10.1038/scientificamerican06221872-409b

PDF (353 KB)

New Magneto-Electric Machine - p410

doi:10.1038/scientificamerican06221872-410

PDF (319 KB)

Safety Kerosene Lamp - p410

doi:10.1038/scientificamerican06221872-410a

PDF (319 KB)

Pencil Leads - pp410 - 411

doi:10.1038/scientificamerican06221872-410b

PDF (592 KB)

Crystallization of Silver, Gold, and other Metals - pp411 - 412

John Hall Gladstone, F.R.S., F.C.S

doi:10.1038/scientificamerican06221872-411

PDF (841 KB)

The New State Capitol at Albany, N. Y - pp413 - 414

doi:10.1038/scientificamerican06221872-413

PDF (935 KB)

A New Patent Law in Canada - p415

doi:10.1038/scientificamerican06221872-415

PDF (272 KB)

Progress of the Eight Hour Strike - p415

doi:10.1038/scientificamerican06221872-415a

PDF (272 KB)

Weight, Pressure, Force, Power, Work - p415

doi:10.1038/scientificamerican06221872-415b

PDF (272 KB)

Rubber Graphite Paint - pp415 - 416

doi:10.1038/scientificamerican06221872-415c

PDF (813 KB)

Recent American and Foreign Patents - p416

doi:10.1038/scientificamerican06221872-416b

PDF (557 KB)

New Patent Law in Canada - p416

doi:10.1038/scientificamerican06221872-416c

PDF (557 KB)