33.2 MB (5.9 MB compressed)
4193 x 2766 pixels
35.6 x 23.4 cm ⏐ 14.0 x 9.2 in (300dpi)
PHIL DEGGINGER / SCIENCE PHOTO LIBRARY PHIL DEGGINGER / SCIENCE PHOTO LIBRARY
A direct indicating dial thermometer. This type of thermometer uses a bimetallic strip wrapped into a coil. One end of the coil is fixed to the housing of the device and the other drives an indicating needle. A bimetallic strip is also used in a recording thermometer.
Model release not required. Property release not required.