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 Rotary Spader, The Feat of the “Queen of the West”

Miscellaneous Summary

Modern English Engineering Practice

Valuable Receipts

A Board of Admiralty

The Pressure of the Atmosphere--A Vacuum

American and English Steam Fire-Engines

What Can Be Done for Inventors--Advice Gratis and Advice for Pay

A Chance for the Ingenious

A New Illuminator--Smith's Air Light

Absorption of Gases by Water and the Lungs

Discoveries and Inventions Abroad

Recent American Patents

Patent Claims


Brigg's Patent Sad-Iron Envelope


  • Departments


  • Notes and Queries

Purchase To Read More

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

Lifestyle Changes. Lifetime Benefits.

Lifestyle Changes. Lifetime Benefits.

A New Outlook for Old Age