You have access to SA issues and articles on Sciam through institutional access. Click here if you'd like to opt out.

You have access to Scientific American issues and magazine articles through your institution’s site license

Skip to main content


A New York Office Building

Raising Bread

Steel Castings

Fire Escape

Miner's Lamp

Improved Station Indicator

Automatic Freight Car Brake

Lifting Bridge for Double Track Railway

Science in Antiquity.--Curio's Pivoted Theaters

Javanese Boats at the International Colonial Exhibition at Amsterdam

Combined Whip and Rein Holder

Pipe Grapple

Pipe and Hose Coupling

Caliper Gauge

Evaporator for Registers

Agricultural Inventions

Engineering Inventions

Mechanical Inventions

Miscellaneous Inventions


  • Departments


  • New Books and Publications

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis