Table of contents


Top

Departments

Correspondence

Correspondence p181

doi:10.1038/scientificamerican09201890-181


Recently Patented Inventions

Recently Patented Inventions p187

doi:10.1038/scientificamerican09201890-187


Business and Personal

Business and Personal p187

doi:10.1038/scientificamerican09201890-187b


Notes and Queries

Notes & Queries p187

doi:10.1038/scientificamerican09201890-187c


Index

Index of Inventions pp187 - 189

doi:10.1038/scientificamerican09201890-187e


Patent Notes

Patents p190

doi:10.1038/scientificamerican09201890-190


Top

Articles

Recent Improvements in the Pneumatic Dynamite Gun p175

doi:10.1038/scientificamerican09201890-175


The Smoke Nuisance pp176 - 177

doi:10.1038/scientificamerican09201890-176


A Device for Manipulating Doors and Windows p178

doi:10.1038/scientificamerican09201890-178


An Improved Fumigator p178

doi:10.1038/scientificamerican09201890-178a


An Improved Lawn Cleaner p178

doi:10.1038/scientificamerican09201890-178b


An Eraser for Use on Blackboards p178

doi:10.1038/scientificamerican09201890-178c


Improved Steam Boiler p178

doi:10.1038/scientificamerican09201890-178d


A Register and Recorder for Revolving Shafts p179

doi:10.1038/scientificamerican09201890-179


An Improved Mechanical Movement p179

doi:10.1038/scientificamerican09201890-179a


An Improved Safety Indicator for Elevators p179

doi:10.1038/scientificamerican09201890-179b


An Improved Lifting Truss Girder pp179 - 180

doi:10.1038/scientificamerican09201890-179c


Daisies and Thistles Proscribed by Law p183

doi:10.1038/scientificamerican09201890-183


The New German Armored War Ship Siegfried p185

doi:10.1038/scientificamerican09201890-185


Photographic Notes p186

doi:10.1038/scientificamerican09201890-186


To Inventors p187

doi:10.1038/scientificamerican09201890-187d


Top

Extra navigation

ADVERTISEMENT