Environment
Coal Piles that Light Themselves
Facts and Fallacies Regarding the Spontaneous Ignition of Stored Bituminous
Stories by J. F. Springer
Environment
Studying Fire Risks from Sample Fires
How the Behavior of Columns and Beams Under Exposure to Conflagrations Is Determined in the Laboratory
Technology
Some Great Dredges
Monster Grab-Buckets that are Able to take Fifty Tons of Mud and Rock at a Single Bite
The Sciences
Sawing Stones With Man-Made Stones
How Abrasives are Employed in Cutting and Shaping Marble and Granite for Building Purposes
Environment
Digging from Below, Up
A Dam-Construction Problem Involving a Deep and Narrow Trench in Treacherous Ground
The Sciences
A Mechanical Solution of a Literary Problem
An Explanation for the Divergent Sequence of Events in the Gospels of Matthew and Mark
The Sciences
Moving Niagara into Canada
The Great Power Canal That Carries the Lake Erie Waters to the Edge of the Bluff at Queenston
Space & Physics
Comets that have Lost their Tails
Curious Irregularities Revealed by the Camera in these Attenuated Streamers
Technology
The Mechanism of the Pipe Organ
What Happens When the Player Passes His Fingers Over the Keys
Environment
Making the Flood Dam Itself
A Simple Wire Netting Structure That Gathers Mud, Boulders and Miscellaneous Debris to Form a Barrier
The Sciences
The Story of Cork
Where the Raw Material for Stoppers and Floats Comes from, and How it is Obtained
Technology
A Problem in Levels
How the Shafts and Workings of Coal Mines Are Kept Free of Water
The Sciences
Enemies of Timber Construction
Some of the Insects that Prey on Piles and Beams, and the Extent of their Depredations
Technology
Transporting Electric Current
Modern Transmission Lines and the Manner of their Construction
Space & Physics
Clusters and Nebulae
Some Startling Facts and Figures Concerning These Interesting Astronomical Features
The Sciences
Canada's Great Ship Canal
The Present Status and the Ultimate Plans of the Welland Improvement
Space & Physics
The Craters of the Moon
Possible Light on Their Origin , from Experiments with Airplane Bombs at Langley Field
The Sciences
The Storm King Road
Technology
Sixty Tons Per Minute
Baltimore's New Coal Pier, and How It Makes Its Records
Space & Physics
Fixed Stars That Are Not Fixed
How Their Motions Are Detected by Making Them Wink at Us
