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

Features

The World's Columbian Exposition

The Engineer and the Sailor

A Gauge for Use in Assembling the Parts of an Engine

A Souvenir or Medal Calendar

An Improved Piano Tuning Pin

Schmidt's Improved Window Frame

An Improved Rail Support

Improved Rapid Firing Guns

A Convenient Memorandum Book

The Monterey

Our New 12-Inch Mortars

The Okaw River Bridge, Illinois

A Luminous Waterfall at the Late Frankfort Electrical Exposition

Recent Additions to the Navy

Wonderful Growth of Hair of Horse's Mane and Tail

Departments

  • Letters

    Correspondence- December 19, 1891

  • Recommended

    New Books and Publications- December 19, 1891

  • Departments

    Recently Patented Inventions- December 19, 1891

  • Business and Personal- December 19, 1891

  • Notes and Queries- December 19, 1891

  • Index of Inventions- December 19, 1891

  • To Inventors- December 19, 1891

  • Patents! - December 19, 1891

Purchase To Read More

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

Deep Dives in Science -- Subscribe to our Collector's Editions Today

Deep Dives in Science -- Subscribe to our Collector's Editions Today