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By Nicolas Pike
To Inventors - January 20, 1894
The Potentialities of Chemical Research
Special Triple Geared Lathe
Pine Cones, or Cocoons?
In Ocean Depths
Improvement in Vessels' Hulls
Improved Automatic Signal Apparatus
Family Knitting Machines
An Improved Fire Ladder
An Improved Exhibiting Apparatus
An Improved Building Tile
An Improved Bicycle Driving Gear
An Automatically Operating Valve Gear
A New Optical Lantern
A Cable Grip for Coal Cars or Mine Wagons
New Books and Publications - January 20, 1894
Recently Patented Inventions - January 20, 1894
Patents - January 20, 1894
Notes and Queries - January 20, 1894
Index of Inventions - January 20, 1894
Business and Personal - January 20, 1894
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