Before revision: With the advent of radio, with radio receiving equipment being sold by specialist electric hardware shops, there was controversy as to whether radio equipment manufactures should sell wholesale to phonograph and music stores, and to department stores, but in 1923 Federal Telephone & Telegraph Co. started doing so and other manufacturers started URL
After revision: With the advent of radio, with radio receiving equipment being sold by specialist electric hardware shops, there was controversy as to whether radio equipment manufactures should sell wholesale to phonograph and music stores, and to department stores, but in 1923 Federal Telephone & Telegraph Co. started doing so and other manufacturers started suit.