Stories by J. F. Springer

What New Orleans is doing to Insure its Permanent Navigability

The Details of the Queenston-Chippawa Project now being Pushed Toward Completion

Franklin's Harmonica and Other Instruments of the Same Class

How California's Big Water Development Is Carried On with Its Own Water

The Surprising Permanence and Tightness of This Unusual Construction

How Carbon Dioxide Protects the Oil Tank Against Its Greatest Hazard

How the Delaware River Was Held at Bay During the Construction of the Naval Drydock at Philadelphia

Glass for Optical Purposes, and How It Is Made

Installations for Developing Hydroelectric Power upon a Notable Scale

Some of the Machines and Methods Which Were Not at the Disposal of His Grandfather

A Structure That Opens Automatically When It Has Backed Up Too Much Water

Some Details of the Lake Eleanor Dam, Part of a Comprehensive Water-Supply Scheme

Largest Electric Transmission Span in the World, at Three Rivers, Quebec

Some New and Pertinent Facts About an Old but Misunderstood Art

A Hundred-Million-Dollar Project Involving two and One-Half Million Acres

Some Interesting Details of the Philadelphia and Denver Instruments

A Digging and Elevating Outfit of Interesting Design and Great Adaptability

Recent Pier Construction at the Ends of the Canal

How Construction and Operation Stand Today in Our Northern Territory

How the New York Assay Office Foundations were Safely Laid without Endangering Adjoining Buildings

Another Proof of New York City's Long look Ahead for its Water

A Pneumatic Caisson Contract That Brought Up Some Unusual Problems.