The SciencesMay 17, 1913
The Comparative Efficiency of Eiffel Surfaces
Studies in Aeroplane Design
Stories by Robert D. Andrews
The SciencesOctober 26, 1912
Downwardly Converging Tandem Planes
A Promising Development on the Basis of Eiffel's Work
The Comparative Efficiency of Eiffel Surfaces
Studies in Aeroplane Design
Downwardly Converging Tandem Planes
A Promising Development on the Basis of Eiffel's Work