tungsten-filament lamp

barreling, tumbling

The application of paint to small articles by tumbling them in a barrel containing paint.
References in periodicals archive ?
Operating a tungsten-filament lamp at 90 percent of rated voltage results in a 30 percent loss of intensity, but the lamp lasts four times as long.
GE's tungsten-filament lamp prices went down rapidly during the 1910s and 1920s, yet the product remained highly profitable because GE tied prices closely to decreasing costs.