R10_Lady Adapter

thingiverse

For an older ohm-meter a replacement for the not longer available R10 battery was needed. The battery R10 is quite long out of production, people may know the 2R10, which was used in electric gas lighters but dissapeared when natural gas was introduced (too low temprature to lighten the natural gas). Just put a Lady-battery (R1) inside with a ballpen spring at the minus end. In my case this wored pretty well.