Word: filaments
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Dates: during 1910-1919
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...former years, tenants of College dormitories may obtain for use in their own rooms Mazda (tungsten filament) electric light bulbs which take only half the current used by ordinary bulbs and give the same amount of light, at the office of the Inspector of Grounds and Buildings, Massachusetts Hall. 25 and 60 watt bulbs, respectively of 20 and 48 candle power may be obtained for 25 cents each...
Tenants of College dormitories may obtain for use in their own rooms Mazda (tungsten filament) electric light bulbs, which take only half the current used by ordinary bulbs and give the same amount of light, at the office of the Inspector of Grounds and Buildings, Massachusetts Hall. 25, 40 and 60 watts bulbs respectively of 20, 32 and 48 candle power may be had for 25 cents each. Cash payment in all cases...