Henry S. Parmelee
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Henry S. Parmelee, president of the Fair Haven and Westville Street Railway Company, was a piano maker from New Haven, Connecticut. He took the idea of Sir Hiram Maxim and then invented the second aut
Henry S Parmelee Electrical Review 1902
Frederick Mathushek
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Frederick Mathushek was a piano maker who worked in Worms, Germany, and in New York City and New Haven, Connecticut, during the second half of the nineteenth century. His name was used by several diff
Henry S. Parmelee
…factory. While other patents for fire sprinklers predated Parmelee's work, he is credited with the first automated sprinkler head. His piano company, Mathushek Piano Manufacturing Co., is credited as having the first building in the United States to be equipped with a fire suppression system. He was born in about 1846 in Ohio to…
Frederick Mathushek
Parmelee's Piano Manufactory, 1865
Mathushek Co.'s tuning pin bushings compared to exaggerated renderings of two other systems
Victor Hugo Mathushek