Bidspirit auction | P.F. Jaynes Co. Battery &

P.F. Jaynes Co. Battery & Auto Electrical Tester with Wood Casing - P.F. Jaynes Co. Battery & Auto Electrical Tester housed in a wooden box with a hand crank, dual binding posts, and an integrated voltmeter gauge labeled 'Made Expressly for Jaynes Coil Tester'. The unit features a manufacturer label on the side indicating location at 90 Lewis St., Lynn, Mass.