Electric engineering

Electronics

Related Objects

High tension electircal wires, 1938
black-and -white negative
Rosenfeld and Sons
Circa 1938
1984.187.89256F
View thumbnail Equipment at Kearny, NJ, 1930
safety negative
Rosenfeld and Sons
1930-04-17
1984.187.37918
View thumbnail Center Unit Frame at New Telephone Building, New York City, 1929
safety negative
Rosenfeld and Sons
1929-03-21
1984.187.34244
View thumbnail Elementary Classroom at Bronxville, NY 1930
safety negative
Rosenfeld and Sons
1930-03-20
1984.187.37758
View thumbnail Demonstration at Engineering Society, 1929
safety negative
Rosenfeld and Sons
1929-11-08
1984.187.36522
View thumbnail Men in Classroom, Western Electric Co, E. 28th Street, New York City, 1929
safety negative
Rosenfeld and Sons
1929-01-09
1984.187.33473
View thumbnail Laboratory Classroom at 40 Worth Street, New York City, 1929
safety negative
Rosenfeld and Sons
1929-02-25
1984.187.34072
View High tension electrical wires, 1938
black-and -white negative
Rosenfeld and Sons
Circa 1938
1984.187.89254F
View thumbnail Western Electric Co. workers, Kearny, NJ, 1928
safety negative
Rosenfeld and Sons
1928-03-22
1984.187.31248
View thumbnail Bell Telephone Laboratory Field Test at Mendham, NJ, 1930
safety negative
Rosenfeld and Sons
1930-07-30
1984.187.38809
View thumbnail Men Working on Circuit Boards, Western Electric, Kearny, NJ, 1929
safety negative
Rosenfeld and Sons
1929-07-24
1984.187.35767
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