Features
Perfumes and Perfumery
The Chemistry of Animal Substances
Miscellaneous Summary
Conservatism Among Mechanics
Genius
Army Bread--Health of Soldiers
Reported Failure of the Stafford Projectile
Distillation and Effects of Heat
Recent American Patents
Breech-Loading Rifles at the Next Fair of the American Institute
Patent Claims
To Our Readers
Disinfecting Agents
Departments
- Departments
Notes and Queries
