IEEE - Institute of Electrical and Electronics Engineers, Inc. - Traffic safety lighting on the Pennsylvania Turnpike

Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 December 1940
Volume: 59
Page(s): 494
ISSN (Paper): 0095-9197
DOI: 10.1109/EE.1940.6435195
Regular:

FOUR types of illuminants-high-intensity mercury-vapor, sodium-vapor, fluorescent, and incandescent-are used for various types of lighting applications on the new Pennsylvania Turnpike... View More

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