Features
Position of the Planets for April - 1888
Hawley's Improved Railway Tie
An Improved Draught Equalizer
An Improved Stacker
A Safety Attachment for Anchors
An Improved Lawn Mower
An Improved Step Ladder
An Improved Door Closer
An Improved Sleeve Stay
An Improved Nut Lock
An Improved Trap
An Improved Pocket Weighing Scale
The Reed & Carnrick Food Laboratory
Some Experiments with an Electro-Magnet
Spontaneous Combustion
An Australian Chlamydosaurus
A Device for Operating Throttle Valves
An Automatic Grain Weigher
An Improved Pruning Implement
Engineering Inventions - April 7, 1888
Special - April 7, 1888
A Cruel Old Monster
Agricultural Inventions - April 7, 1888
Miscellaneous Inventions - April 7, 1888
To Inventors - April 7, 1888
Departments
- Letters
Correspondence - April 7, 1888
- Departments
Business and Personal - April 7, 1888
Index of Inventions - April 7, 1888
Notes and Queries - April 7, 1888
