The back width is 2 1/4" and the face width is 2 3/4". I HAVE MORE GAUGES IN MY EBAY STORE, LAST CALL ... {54} Powered by eBay Turbo Lister The free listing tool.
Vintage Simpson Model 49 Catalog # 4160 A.C. Rectifier Microamperes Dimensions (approximate): Height: 4 Inches Length: 4.75 Inches Annular 0-100 Back has a number 86239. Stamp from Simpson Electric Co.
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