Television simply explained /
Hallows, Ralph Watson, 1885-
Television simply explained / by R. W. Hallows. - 2d ed. rev. - London : Chapman & Hall, 1954. - 196 p. illus.
"First published, 1947."
Includes index
Television.
621.388 / HAT 1954
Television simply explained / by R. W. Hallows. - 2d ed. rev. - London : Chapman & Hall, 1954. - 196 p. illus.
"First published, 1947."
Includes index
Television.
621.388 / HAT 1954