1920s had the biggest start. It was the beginning of the great depression and radios used to expensive then became less expensive around this time too
The other person already answered the question but the pictures she put are both pixelated and from a distance when Nina is wearing the punk outfit, she looks like an older version of Tory from Victorious
Food Code Lighting Requirements
The first requirement specifies providing at least 110 lux (10-ft. candles) at a distance of 75 cm (30 inches) above the floor, in walk-in refrigeration units and dry food storage areas and in other areas and rooms during periods of cleaning.