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Cummings Center for the History of Psychology Artifacts
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Artifacts (psychological and scientific instruments, apparatus, and other objects from the history...
Plethysmograph
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Plethysmograph
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Description
Title
Plethysmograph
Description
Plethysmograph
; An
instrument
for
measuring
and
recording
variations
in the
size
of the
finger
,
hand
, and
other
bodily
member
due
to
fluctuations
in the
blood
supply
;
it
consists
essentially
of a
rigid
vessel
filled
with
water
, into
which
the
member
is
inserted
; a
small
tube
leading
from the
vessel
is
connected
with the
recording
device
,
which
moves
to and
fro
as the
water
in the
tube
advances
or
recedes
according
to the
change
in
size
of the
member
. - from
Warren's
Dictionary
of
Psychology
Manufacturer
Parks
Electronics
Dimensions
3"x7"x5.5"
Descriptor
Instrument
-
measurement
and
recording
Identifier
691a
Source
Frances
Graham
Location
21-4-3
Rights
This image is protected under Title 17 of the United States Code. For access and application for use contact CHP at ahap@uakron.edu.
UA College
Office of Academic Affairs
UA Department
Drs
.
Nicholas
and
Dorothy
Cummings
Center
for the
History
of
Psychology
Website
http://www.uakron.edu/chp
Contact Information
Send reference and licensing requests to ahap@uakron.edu
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