afana_100_watts_120_volts Carson "Kit" Davidson movies academic_films culturalandacademicfilms The mechanized production of Duro-Test light bulbs is filmed as a dance to the tune of the Brandenburg, as choreographed filaments, glass, and metal combine in a dynamic finale. 1977 1977 2007-10-04 19:00:46 2007-10-04 18:59:17 skipe@mindspring.com A/V Geek Skip 2007-10-04 19:01:58 Scott Edmonson sound color 6:00 2007-11-06 01:43:11 Geoff Alexander