Scientific American, December 15, 1855. Drilling and Boring Machine, etc

Scientific American, December 15, 1855. Original complete issue.

Features

Drilling and Boring Machine

Railway Telegraphs

Recent Foreign Inventions

Adjusting the Number and Depth of Paddle-Wheel Blades

Improvements in Railroads

Pennsylvania Soapstone

Iron Rigging for Ships

Gun Cotton and Gunpowder

Foolscap Paper

To City Subscribers

Foot Prints of Reptiles in the Coal Strata of Pennsylvania

Who'll Take the Prizes?

The Hillotype Again

Awards to American Exhibitors at the French Exhibition

Reports of Railroads

Spontaneous Combustion

Protection of Designs for Articles of Manufacture

Australian Expedition

The Manufacture of Coke.--Railroad Fuel

Woodworth Patent Remonstrances

Hints on the Value of Patents

Gratitude to Improvers of the Iron Manufactures

A Great Traveler

British Association for the Advancement of Science.--No. 3

Important Items

Another New Metal

Iodo-Nitrate of Silver

Chemical Technology

Japan Cotton

Mechanics