Vintage Antique General Electric Light Meter & Leather Case Collectors
Face reads: "FOOT-CANDLES Minimum Recommended" Back reads: "General Electric LIGHT METER Recommended Minimum Foot-Candles" © 1935 GE.CO Model 8DW40Y2 N.P.84666 Approximate measurements: 2 1/8" W, 2 1/4" H, 1 1/8" D. Weight: 7.5 ounces. Unit functions but undoubtedly requires calibration. It is probably 30s, 40s vintage, make an offer... Collectors item