Vintage Sterling Mfg. Co. Battery Tester Lot of 2. As pictured. Don't know much about them. In a box of stuff I purchased at an auction.
Vintage Sterling MFG. Co Volt Meter - Cleveland Ohio - Not Tested
Lot of 2 Sterling Mfg. Co. Volt Ford Model “A" Battery Tester
Vintage Arnold Mfg. Co. Cam-Dwell- Indicator Tool In Case
Vintage Arnold Mfg Co Cam-Dwell Indicator Ignition Tester Tool Set w/ Case
Vintage Arnold Mfg. Co Cam Dwell Indicator AC Tester Tool w/Case
Vintage Arnold Mfg. Co Cam Dwell Indicator AC Tester Tool w/Case. S19
