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


Improved Gang Plow, New Mineral, and More

Manufacture of Ultramarine

The Congressional Report on Isherwood's Machinery

Recent American Patents

Hitchcock's Roller Quartz Mill

Smith's Rivet

Cutter's Shuttle

Price's Pea Sheller

Great Improvements in Sugar Making

Changing Alcohol into Vinegar

Inexplicable Boiler Explosions

Power Required to Drive Machines

A Sensible Governor

The Naval Engine Contest

The Opening of the Fair

Patent Claims

Patent Agency Office

Markland's Coal Scuttle


  • Departments


  • New Books and Publications

  • Patents

Purchase To Read More

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