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Features

Home-Grown Sugar-Beet Seed

Palestine and Syria the Original Cereal Countries

Philadelphia, the Delaware River, and John Fitch

The Platinum Market

Aeronautics

Science

Engineering

Stereoscopic Moving Pictures in Natural Colors

Erection of the Fades Viaduct

The Pope and the Comet

The Number of Our Ancestors and of Our Future Cousins

Why Do Main Springs Break?

Open-Air Orchard Heating in Colorado

By W. Frank M'clure

The Visiting Warships--A Comparison

A Novel Air Pump and Vacuum Gage

Handy Man's Workshop

Simple Blue-Printing Frame

By C. L. Swezey

Circulating Pipe for Hot-Water Faucets

By J. A. Bergstrom

Thermostatic Regulator for Smoke Pipes

By B. A. Johns

Hot-Water Connection for Kitchen Boilers

By John B. Allen

How to Connect Stove Pipes

By H. G. L

A Screen for the Register

By J. A. Brophy

Coating Roofs White to Repel Heat Rays

By A. J. Jarman

The Boiler Maker's Tool Bag

By A. F. Bishop

To Prevent Coal Gas

By L. G. Handy

A Muffler for Gas Engines

By Alfred P. Morgan

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • New Books, Etc.

  • Notes and Queries

  • Patents

  • Index of Inventions

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial