The Vintage Master Lock Company Milwaukee Wisconsin burglar alarm is a collectible piece that showcases the history and craftsmanship of a bygone era. This artifact serves as a unique reminder of security measures used in the past, offering a glimpse into the evolution of home protection systems. It is a valuable item for collectors or those interested in vintage tools, hardware, and locks. Turns on but have not tested. Once plugged in red light in back turns on. But not tested
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