the approbation
of the New York City fathers. After Edison had finished exhibiting all
the good points of his system, he conducted his guests upstairs in the
laboratory, where a long table was spread with the best things that one
of the most prominent New York caterers could furnish. The laboratory
witnessed high times that night, for all were in the best of humor,
and many a bottle was drained in toasting the health of Edison and the
aldermen." This was one of the extremely rare occasions on which Edison
has addressed an audience; but the stake was worth the effort. The
representatives of New York could with justice drink the health of the
young inventor, whose system is one of the greatest boons the city has
ever had conferred upon it.
Among other frequent visitors was Mr, Edison's father, "one of those
amiable, patriarchal characters with a Horace Greeley beard, typical
Americans of the old school," who would sometimes come into the
laboratory with his two grandchildren, a little boy and girl called
"Dash" and "Dot." He preferred to sit and watch his brilliant son at
work "with an expression of satisfaction on his face that indicated
a sense of happiness and content that his boy, born in that distant,
humble home in Ohio, had risen to fame and brought such honor upon the
name. It was, indeed, a pathetic sight to see a father venerate his son
as the elder Edison did." Not less at home was Mr. Mackenzie, the Mt.
Clemens station agent, the life of whose child Edison had saved when
a train newsboy. The old Scotchman was one of the innocent, chartered
libertines of the place, with an unlimited stock of good jokes and
stories, but seldom of any practical use. On one occasion, however, when
everything possible and impossible under the sun was being carbonized
for lamp filaments, he allowed a handful of his bushy red beard to
be taken for the purpose; and his laugh was the loudest when the
Edison-Mackenzie hair lamps were brought up to incandescence--their
richness in red rays being slyly attributed to the nature of the
filamentary material! Oddly enough, a few years later, some inventor
actually took out a patent for making incandescent lamps with carbonized
hair for filaments!
Yet other visitors again haunted the place, and with the following
reminiscence of one of them, from Mr. Edison himself, this part of the
chapter must close: "At Menlo Park one cold winter night there came into
the laboratory a strange man in a
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