1977 - Volume #1, Issue #3, Page #9
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Low-Cost Alarm For Driveways
For less than $50, you can install an alarm system that lets you know when somebody drives into your driveway. The buzzer announcing friend or foe is located in the house and sounds whenever a vehicle drives in or out.
"It's more reliable than a watchdog," says Vincent Kramper, manufacturer and distributor of the..........


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1977 - Volume #1, Issue #3