Features
The Twentieth-Century Lumber-Jack
Some of the Machines and Methods Which Were Not at the Disposal of His Grandfather
Handling the Heating-Furnace Doors
Is the Anchor Safe?, Electrification in Europe and more
Turning the Wheels of a Century Hence--II
Water Power--Some of the A-B-C's That Govern Its Existence and Development
Measuring Steam
Methods and Instruments for Determining What the Power Plant Is Doing
Toys that do Great Work
The Indispensable Place Occupied by Models in the Engineering of Today
The Mechanical Hello Girl
An Automatic Telephone Switchboard That Can Take Care of the Busiest Exchange
The Role of Asbestos
Some Facts Bearing on the Growing Importance of This Substance in Industry and Architecture
Departments
- Departments
Correspondence - July 10, 1920
Inventions New and Interesting - - July 10, 1920
Recently Patented Inventions - - July 10, 1920
