
The SciencesJune 28, 1919
Economics of Transportation in the Mississippi Valley
Develop Southern Ports for Foreign Trade by Revising Interior Transportation

Economics of Transportation in the Mississippi Valley
Develop Southern Ports for Foreign Trade by Revising Interior Transportation

Gas Power Development: A Review
The Possibilities of an Important Prime Mover

Producer Gas Power Test
Data Obtained at the Plant of the Gould Coupler Company, Depew, N. Y.