The San Francisco call., 1909-05-30
ELECTRICITY
is THE SLAVE
OF A CRIPPLE
Wonderful Electrical Devices
That Do Away With Need
of Human Hands
Injured Football Player Sits ia
Study Like BattIeship Cap
tain in Coming Tower

BERKELEY. May e9.-One OF the
most peculiar houses in the state is
owned bv Lee C. Duff. s429 Bowditch
street. who can not on account OF in
juries received in Il football game at
the University of California several
years ago. move about without difh-
Guilty He has. therefore. equipped his
residence with a wonderful eombina-
ton of push buttons. electric locks.
monographs. telephones and electric
lights. which almost take the place Of
servants.
VISITOR AT THE GATE
As Duff sits at his desk, which is
the center of the arrangement. he is
in touch with all parts OF the house
the doors. windows and gardens. If a
visitor enters the gate light on the
switchboard notifies the owner, and on
standing in front OF the door the Wis
itor hears buzz. and light flashes
out disclosing a sign which directs
him 10 take the telephone which 10
attached TO the sill and state his busi-
ness The door then is opened by
electricity and voice issuing from a
phonograph. directs the visitor to
Durs study. When any one steps on
the front or rear porch a Photographs
voice announces to the household
There is some one at the side door.
or whichever door may be the correct
one.
BY teIehone Duff is connected with
each room in the house. and by an at
tachment invented by himself. is abl
TO record on a phonogzsaph any tele-
phone conversation held in the house.
MUSIC IN ANY ROOM
Besides these conveDiences Dun isl
able. by the pressing OF button
to have music in any room OF the.
house. the sound Of phonograph be-,
ing conducted through gas pipes tOl
cleverly hidden amphphones. An cleo
trio bulb left burning by mistake in
any part Of the house is shown on a.,
small pilot light on the switchboard.
and may from there be turned on.
Strangers entering the garden at
night set of a dozen alarms before|
reaching the interior OF the house.
which is a network of indicators and|
burglar alarms. The stepping on cer-l
tain pieces OF flooring, the brushing of
certain parts OF the wall opening OF.
doors or windows sets on buzzers orl
phonograph. which announces that
stranger is in the house and foods
the premises with light
WATERING THE GARDEN
fire in the Duff residence sets on
an electric FIRE exunguisher. which
foods the house. The lawns are|
watered by electricity. a clock regu-
lating the time Of watering and in 4
tervals TO elapse between sprinklings
An electric fountain so feet high playst
in the garden at night at the viii OF
the owner.
Principal among Dufrs inventions is.
a burglar alarm working on the prin-
ciple of humidity in the air being used
as a conductor OF nigh tension cleo
tricity. which. on the slightest air curl
rent, such as caused by person NOV
ing about the room. sets of a noisyf
alarm. awakening the nefghborhOod
Duff has lived in Berkeley for some
years. graduating from the Berkeley
high school with the class OF 1885. Ha|
entered the University Of California;
where his career as a student OF elec-
tricity was especially brilliant until in
jured in a football game in such al.
way that he could not walk Since thatI
time he has used his great knOwledge
OF electricity TO devise methods Oh
keeping in touch with the pfemises
from his desk