Laughing Squid on MSN5mon
The Brilliantly Designed Self-Balancing Brennan Monorail That Leaned Into Turns
Unfortunately, the Brennan Monorail was discontinued due to lack ... need its own gyroscope brought the project to an end.
The New York Times1mon
THE GYROSCOPE AND ITS PROMISE FOR THE FUTURE; Louis Brennan's Successful Monorail Test Suggests Amazing Possibilities in Travel
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