
Volume 9, Issue 26
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Features
New Galvanic Power, for Propelling Ships
Special Notice
Decimal Coinage in England
Combustion and Evaporating Power of Boilers
Steam Fire Engine
Pure and Impure Gas
Marine Locomotives
Notice--Water Wheels
Aldehyde in the Distillation of Sugar
The Fast Line
List of Patent Claims
Extension of the Telegraph System to Africa
Central Africa
Recent Foreign Inventions
A Curious Dining Hall
Apples without Seeds or Cores
Railroad Switches
Improved Lantern
Preparing Gold
Feeding Printing Presses
Improved Wrench
Improved Slitting Gauge
Ditching Machine
Close of our Half Volume
Unalterable Bank Bills
Purifying Black Lead for Pencils
National Secret Documents
Composition of the Rings of Saturn
The Smithsonian Institute
Rejection of an Extension of a Patent
American Wool
Scientific Darkness
Calico Printing
American Steamboats on the Amazon River
American Coal Statistics
To Correspondents
Agriculture by Steam
Bread Equal to Pound Cake
Hardening Cast Steel for Cutting
Shipbuilding in Sunderland, Eng., and New-York
The Barometer Outdone
Bronze for the Sheathing of Ships
Mechanics
Manufacturers and Inventors