WE 17B Finally identified 100%
By Dave Hunter, ; posted December 30, 2011; hits 203
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| Here is a photo of the inside of the Western Electric 17B line test set. Note: This set uses a 4.5 volt battery. Currently available MN1203 or 3LR12 batteries will fit this set. It mounts in the small battery box shown near the top of this set. |