Back in the U.S., Mullin rebuilt and developed the machine with the intention of selling it to the film industry, and held a series of demonstrations which quickly became the talk of the American audio industry.
Mullin rebuilt. This was back in the U.S.. Mullin developed the machine with the intention of selling it to the film industry. This was back in the U.S.. Mullin held a series of demonstrations. This was back in the U.S.. These demonstrations quickly became the talk of the American audio industry.