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Features

Trees and Flowers in the Central Park

Position of the Planets for April - 1888

Hawley's Improved Railway Tie

A Safety Attachment for Anchors

An Improved Step Ladder

An Improved Stacker

An Improved Lawn Mower

An Improved Draught Equalizer

An Improved Door Closer

An Improved Trap

An Improved Sleeve Stay

An Improved Pocket Weighing Scale

An Improved Nut Lock

The Reed & Carnrick Food Laboratory

Spontaneous Combustion

Some Experiments with an Electro-Magnet

By Geo. M Hopkins

An Australian Chlamydosaurus

A Device for Operating Throttle Valves

An Improved Pruning Implement

An Automatic Grain Weigher

Special - April 7, 1888

A Cruel Old Monster

Miscellaneous Inventions - April 7, 1888

Engineering Inventions - April 7, 1888

Agricultural 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

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April 07, 1888

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