Invention of the telephone useful and widespread apparatus it is now. The telephone exchange was an idea of the Hungarian engineer Tivadar Puskás (1844–1893) in 1876, while he was working for Thomas Edison on a telegraph exchange. Puskás was working on his idea for an electrical telegraph exchange when Alexander Graham Bell received the first patent for the telephone. This caused Puskás to take a fresh look at his own work and he refocused on perfecting a design for a telephone exchange. He then got in touch with the U.S. inventor Thomas Edison who liked the design. According to Edison, "Tivadar Puskas was the
Cruising with Ruben & the Jets Jets", with no mention of The Mothers of Invention; according to Zappa, later pressings, which credited the Mothers of Invention, did not receive as much airplay as the original "Ruben" pressings. The album's cover has a word balloon stating "Is this the Mothers of Invention recording under a different name in a last ditch attempt to get their cruddy music on the radio?" Zappa later dismissed claims that he had "fooled people" with this album as "nonsense". Subsequently, Zappa stated that the Mothers of Invention would record a second Ruben & the Jets album. No sequel to "Cruising with Ruben