A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Flashing speeds of incandescent signal lamps
Research at Nela research laboratories. Lamps containing carbon filament in argon was found to be best type for use in six-volt, 2-ampere signalling unit.
Flashing speeds of incandescent signal lamps
Research at Nela research laboratories. Lamps containing carbon filament in argon was found to be best type for use in six-volt, 2-ampere signalling unit.
Flashing speeds of incandescent signal lamps
Jl. Franklin Inst
Worthing, A.G. (author)
1921
27 pages
7 Figs.
Article (Journal)
Electronic Resource
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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