Word: lightnesses
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Dates: during 1920-1929
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Their problem was to make such an engine light enough for efficient flying...
...father, brethren and children of Electric Light will shortly begin celebrating handsomely its 50th anniversary...
...brethren, members of the National Electric Light Association, were beginning last week to assemble in Atlantic City, N. J., for their annual convention and, incidentally, an electrical 75th birthday party for the city...
...children of Light-all U. S. citizens within reach of the beams of an incandescent bulb-will be included in the festivities by electrical galaxies on White Ways from Squeedunk to Broadway...
...Arcy Ryan, who is to General Electric Co.'s light research what the late great Charles Proteus Steinmetz was to its studies in power, is charged with arranging electrical displays all over the U. S. for a summer-long continuation of the festivities...