This is an article on the Voder, which is an abbreviation of Voice Operation Demonstrator. The machine was exhibited at the New York World’s Fair, 1939.

Dudley, Homer, The Vocoder, Bell Laboratories Record, vol. 18, no. 4, Dec. 1939, pp. 122-126.

This is a more general type of machine than the Voder. The Vocoder is both an analyzer and synthesizer of human speech.

Potter, Ralph K., George A. Kopp, and Harriet C. Green, Visible Speech, New York: D. Van Nostrand Co., 1947, 441 pp.

Anonymous, Pedro the Voder: A Machine that Talks, Bell Laboratories Record, vol. 17, no. 6, Feb. 1939, pp. 170-171.

Weather

Some of the possibilities of machines dealing with weather information are covered in:

Lagemann, John K., Making Weather to Order, New York Herald Tribune: This Week, Feb. 23, 1947.

Shalett, Sidney, Electronics to Aid Weather Figuring, The New York Times, Jan. 11, 1946.

Zworykin, V. K., Outline of Weather Proposal, Princeton, N. J.: Radio Corporation of America Research Laboratories, Oct. 1945, 11 pp.