Describes project nearing completion in Philadelphia for elevated railway over which trains of ten all-steel cars will roll at high speed with less disturbance of surrounding atmosphere than that caused now by single trolley car.
The noiseless elevated
Sci. Am
Scientific American ; 126 , n 1
1922
2 pages
5 Figs.
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
NOISELESS BLOWER UNIT AND NOISELESS FLIGHT PROPULSION BODY COMPRISING NOISELESS BLOWER UNIT
Europäisches Patentamt | 2023
|Engineering Index Backfile | 1950
|