Scientific American Magazine Vol 9 Issue 4

Scientific American Magazine

Volume 9, Issue 4

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Features

Improved Cotton-Opener and Cleaner, Testing Gilded and Silver Articles, and More

The Chemistry of Animal Substances

Perfumes and Perfumery

Miscellaneous Summary

Conservatism Among Mechanics

Reported Failure of the Stafford Projectile

Army Bread--Health of Soldiers

Genius

Recent American Patents

Distillation and Effects of Heat

Breech-Loading Rifles at the Next Fair of the American Institute

Patent Claims

To Our Readers

Disinfecting Agents

Departments

Notes and Queries