tag:blogger.com,1999:blog-12606026.post6382947348627485154..comments2024-03-11T08:20:48.329-07:00Comments on The Mechanical Philosopher: A Few Yard Sale FindsFelice Luftscheinhttp://www.blogger.com/profile/13376070891556200008noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-12606026.post-14325277486521210032013-06-21T16:35:57.426-07:002013-06-21T16:35:57.426-07:00Those Simpson Ohm meters are indestructible. That ...Those Simpson Ohm meters are indestructible. That one is just like my fathers which he got in the 1960s. He was still using it daily when he retired in 2005. They use a wierd silver? mercury?battery that lasts for years and has a very stable voltage. Not sure if the batteries are still available or not. Now you need an Amprobe clamp on ampmeter to go with it (no batteries at all).Anonymousnoreply@blogger.com