Volume 9, Issue 13
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Features
The Great Republic
Steamer Prize Model
American and English Inventions
Recent Foreign Inventions
Chemical Action of Solar Radiations
Lightning Conductors
Horse Power, Actual and Nominal of Steam Engines
The Cincinnati Steam Fire-Engine
Splendid Carriage for the Secretary of State
Instantaneous Black Ink
Foreman's Process for Raising Ships
Supper in a Gasometer
Good Gum Paste
List of Patent Claims
New Watch Escapement
Improved Journal Box
Hats Versus Heads
Protection for Carriage Springs
Corn and Cob Mill
Improved Fly Trap
Cooking Stove Improvement
Improvement in Seed Planters
Hot Air Again
Furnace for Steam Boilers
Improvement in Rock Drills
Improvement in Pianofortes
Patent Office Report for 1852—No. 7
Our Paper
Sewing Machine Troubles
Cristal Palace
An Editor Sick
Trial of Safes
Trial of Bridges at the Crystal Palace
Discovery of a New Cave
Health and Oil
To Cure the Grape Disease
Improved Hand Drill
California Coal
Mechanics
Manufacturers and Inventors