Shown are vintage carbon filament lamps and box mfg'd by NALCO. My late Aunt Teena used to work at an antique shop in downtown San Antonio and one day she called me up and told me she had a surprise for me. It was the NALCO box with 15 unused carbon filament lamps still in their cardboard sleeves. These lamps last a very long time as I've had one burning for over 5 years continuously. Not like the cheap lamps that burn out after a week.