Skip to main content


Combined Sawing, Boring, Molding and Planing Machine

Report on Testing Iron Armor Plates

Miscellaneous Summary

Notes on Naval and Military Affairs

The Color Products of Coal--Mauve and Magenta

Valuable Receipts

Proportions of Locomotives

Meucci's Kerosene Lamp

Paines's Spray Superheated Steam Engine

Salts of Silver, Photography and Indelible Ink

Petroleum is not Coal Oil

A Great Law of Nature

The London Exhibition--Wrought Iron

The Frigate Ironsides

The North is Invaded

Patent Claims

Recent American Inventions

To Our Readers

Smiths' Mode of Setting Tombstones

Blythe's Ventilating Cap


  • Departments


  • Notes and Queries

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format

Gene Therapy Comes of Age?

Gene Therapy Comes of Age?

Explore the latest advances