Edison as I know him, by Henry Ford, in collaboration with Samuel Crowther.

EDISON As I KNOW HIM

"Another of the boys had a voice that sounded
like something between the ring of an old tomato can and a pewter jug. We had one song
that he would sing while we roared with laughter. He was also great in imitating the tin-foil
phonograph. When Boehm was in good humor
he would play his zither now and then, and
amuse us by singing pretty German songs.
"On many of these occasions the laboratory
was the rendezvous of jolly and convivial
visitors, mostly old friends and acquaintances of
Mr. Edison. Some of the office employees would
also drop in once in a while, and as everybody
present was always welcome for the midnight
meal, we all enjoyed these gatherings. After a
while, when we were ready to resume work, our
visitors would intimate that they were going
home to bed, but we fellows could stay up and
work, and they would depart, generally singing
some song like 'Good Night, Ladies.'
"It often happened that when Edison had been
working up to three or four o'clock in the morning, he would lie down on one of the laboratory
tables, and with nothing but a couple of books
1'11