After a year Triat 's patience grew thin , and he demanded to see a working model .
Benoit persuaded Monsieur Triat , manager of a Paris gymnasium , to give him lodgings and an allowance , having impressed upon him the importance of his discovery .
After a year manager 's patience grew thin , and Benoit demanded to see a working model .
Benoit persuaded Monsieur Triat , manager of a Paris gymnasium , to give him lodgings and an allowance , having impressed upon him the importance of his discovery .