vention, that it is credited with having paid him $550,000 for the exclusive rights to manufacture it. In the tests which were made, either before the Royal Society, where it was sent around the meeting room at Burlington House, or on the larger experi- mental track at the private grounds of Mr.… … Mr. Brennan Demonstrating Ilia Invention at Brighton, England. The Simplest Form of Gyroscope. THE BRENNAN GYROSCOPE MONORAIL.
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