John has given me a heads up to a simple burglar alarm that a store owner in 1959 rigged up.  Unworkable today due to the advance of technology, but it worked when it had to.

This entry was posted on Monday, August 17th, 2009 at 9:57 am and is filed under Gun and Gear Review, Law Enforcement. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.