Skip to main content


The Pneumatic Despatch System in the Western Union Telegraph Building, New York

How Science is Annihilated

The Industrial Condition of Germany

How a Piece of Coal Burns

Proposed Tunnel under Newark Bay

Up or Down in Rapid Transit?

The Earthquake Indicator

A New Stellar Indicator

Spectroscopic Quantitative Analysis

Underground Refrigerator for Butchers

A Novel Decoy Fish

Machine for Making Fence Pickets

Improved Hoisting Machine

Astronomical Notes - April 10, 1875

The Storage and Handling of Fluids

Improved Circular Saw Table

Improved Windmill

Strasbourg Cathedral and Its Clock

Recent American and Foreign Patents - April 10, 1875

Decisions of the Courts

Canadian Patents - April 10, 1875

Communications Received - April 10, 1875


  • Letters

    Correspondence - April 10, 1875

  • Departments

    Business and Personal - April 10, 1875

  • Notes and Queries - April 10, 1875

  • Index of Inventions - April 10, 1875

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top

Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis