Coin cells are useful things that allow us to run small electronic devices off a tiny power source. However, they don’t have a lot of capacity, and they can run out pretty quickly if you’re hitting ...

Marked: "Burns / 'B' Eliminator / Voltage 110-120 / Cycles 50-60 / Serial No. 610771 / Notice: This instrument must be operated under the conditions given above, and when so operated is ...