Radio Times - 1923-12-14 - page 432, Cecil Glossop, 14 December 1923
Full-page polarphone advert on page 432 of the radio times, 14 december 1923 edition, including a cartoon by cecil glossop. Date: 14 December 1923.
Author: Cecil Glossop (cartoon), Anon (remainder)Source: https://commons.wikimedia.org/Loading...