Tivadar Puskas 2024
The inventor of the telephone exchange, Tivadar Puskás, was born 175 years ago dailynewshungary.com
Tivadar Puskás built the first Hungarian telephone exchange 140 years ago PestBuda
How the world's only "telephone newspaper" took off TheArticle
It preceded the radio: The telephone herald was a Hungarian invention that delivered the news to the public immediately PestBuda