Word: filaments
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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...
...current is started, and the break is made by lifting the upper one a little by a mechanical arrangement. The powerful current, in overcoming the resistance offered by the air, heats the carbon tips to a white heat. In the incandescent lamp the resistance is offered by a filament of carbon encased in an air-tight glass-bulb. The current required to drive an are light will drive twenty-four 16-candle incandescent lamps...
...should be decided by the faculty to use the Incandescent lamp, there are many things to be considered before a hasty adoption. The Arc light is entirely outside of the enquiry. Then comes the question, which is the best and why? The Incandescent lamps with a carbon filament are easily destroyed, and there is more or less danger of fire on account of the amount of power used, which requires the larger wire to convey the electric fluid. The best carbon is the cylinder carbon, which has a much greater illuminating surface and consumes only one quarter as much power...