Using A Rotary Phone As A Burglar Alarm...
Russell Neff has an ingenious homemade alarm system that costs... ...to different parts of the store. At 2:15 a.m. Neff ’s telephone roused him from a sound sleep. He l...
https://www.neatorama.com/2009/08/16/using-a-rotary-phone-as-a-burglar-alarm/
