Improved Caloric Engine - p127

doi:10.1038/scientificamerican02261887-127

PDF (389 KB)

New Amendment of the Design Patent Law - p128

doi:10.1038/scientificamerican02261887-128

PDF (752 KB)

Are Steel Guns Really Superior? - p128

doi:10.1038/scientificamerican02261887-128a

PDF (752 KB)

The Cocaine Habit - pp128 - 129

doi:10.1038/scientificamerican02261887-128b

PDF (1,025 KB)

Emery Wheels for Gumming Saws - p130

doi:10.1038/scientificamerican02261887-130

PDF (307 KB)

The Frilled Shark—The Oldest Living Type of Vertebrates - p130

doi:10.1038/scientificamerican02261887-130a

PDF (307 KB)

Combined Bench and Ironing Board - p131

doi:10.1038/scientificamerican02261887-131

PDF (262 KB)

Improved Blind Stop - p131

doi:10.1038/scientificamerican02261887-131a

PDF (262 KB)

A Simple Device for Crimping Boots or Shoes - p131

doi:10.1038/scientificamerican02261887-131b

PDF (262 KB)

Plasterer's Hawk - p131

doi:10.1038/scientificamerican02261887-131c

PDF (262 KB)

Adjustable Wood Measuring Rack - pp131 - 132

doi:10.1038/scientificamerican02261887-131d

PDF (570 KB)

Penberthy Injector - p132

doi:10.1038/scientificamerican02261887-132

PDF (329 KB)

Protector for Ladies' Hats - p132

doi:10.1038/scientificamerican02261887-132a

PDF (329 KB)

Improved Stump Puller - p132

doi:10.1038/scientificamerican02261887-132b

PDF (329 KB)

Combined Brush and Comb Cleaner - p132

doi:10.1038/scientificamerican02261887-132c

PDF (329 KB)

Our Winter Birds - p133

B. M. Hasbrouck

doi:10.1038/scientificamerican02261887-133a

PDF (268 KB)

Thermoscopic Balance - p134

Geo. M. Hopkins

doi:10.1038/scientificamerican02261887-134

PDF (324 KB)

Improved Marine Dredger - p134

doi:10.1038/scientificamerican02261887-134a

PDF (324 KB)

The Northern Lights - pp135 - 136

doi:10.1038/scientificamerican02261887-135

PDF (753 KB)

Effect of a Torpedo on an Ironclad - p136

doi:10.1038/scientificamerican02261887-136

PDF (352 KB)

Torpedo Boat Armed with Pneumatic Dynamite Guns - p137

doi:10.1038/scientificamerican02261887-137

PDF (328 KB)

Chevreul's Black - p137

T. O'conor Sloane, PH.D.

doi:10.1038/scientificamerican02261887-137a

PDF (328 KB)

Engineering Inventions - p138

doi:10.1038/scientificamerican02261887-138

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Agricultural Inventions - p138

doi:10.1038/scientificamerican02261887-138a

PDF (307 KB)

Miscellaneous Inventions - p138

doi:10.1038/scientificamerican02261887-138b

PDF (307 KB)

To Inventors - p139

doi:10.1038/scientificamerican02261887-139

PDF (324 KB)