Vintage RCA WV-37B Radio Battery Tester Analog Meter 20-90V Probes USA Made

I bought this when I was in HS in 1967. Condition: Good, shows light cosmetic wear consistent with age such as some minor scratches, scuffs, and dust. All dials, meter, and probes are present and needle responds when tested. No deep cracks or major damage. See photos for specific details and close-ups of current condition.
Classic analog meter design with a red-yellow-green display for REPLACE, USABLE, and GOOD battery readings
Features a rotary selector dial for different battery voltages and test ranges, including: 1.5, 4.5, 6, 7.5, 9, 22.5, 45, 67.5, 75, 90, and 135 volts
Comes with two original test probes—black and red handles attached with fixed cables
Prominent RCA logo and labeling on front, Model WV-37B, made by Radio Corporation of America, Camden, New Jersey, USA
Era: estimated 1950s-1960s, excellent piece for any vintage electronics or radio collector
Unit measures approximately 8 x 6 x 4 inches (not including probe cords)
Perfect for display, collection, or functional use testing old radio/communication batteries