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Sterling machine company

The Model M is a horizontally oriented, electric siren manufactured by The Sterling Siren Fire Alarm Company, of Rochester, New York and later produced by Sentry Siren, Inc. These sirens were primarily marketed for fire alarm and general alarm use, intended to serve as a more distinct and efficient alternative to fire bells and steam whistles. The Model M is believed to have started its production in 1920, and was quickly and widely successful, so much so that it is believed almost every volunteer fire department in the New England area had one at some point. Model M's were offered in a single and double head configurations, Single and dual tone configurations were also offered, with the Sterling Model M being among the first double toned sirens manufactured. It was sold alongside the industrial Type F and F-2, as well as the Vertical Siren and Little Giant. While the community often calls these sirens "M-10", "M-5" and "Y-10", these are misnomers. Sterling never used the siren horsepower in the model name, or any letter other than "M". These sirens are simply the Model M, or Sterling Code Sirens for coded Ms. The only exception is units built by Sentry Siren post-1973, which is called the M-10. "N-5" and "M-3" are also misnomers and not real model names. #sterlingsiren