Case: Modern V-shape design with parts molded of GE Valox
polyester, in black textured finish. Heavy glass protected front firmly
secured by spring action.
Stem: Tapered bulb chambers are made of precision ground
aluminum. The tapered chamber forms a metal contact with matching taper
in the sockets assuring maximum speed of response to temperature
changes. Graphite is used as a conducting media between bulb chamber
and glass tube.
Locking Device: Adjustable case locknut and angle adjusting
screw work independently to provide full 360 positioning of
thermometer case and stem.
Tube & Capillary: Mercury (red-reading) or Spirit
(blue-reading) filled-magnifying lens. Precision made to guarantee
accuracy within 1% of scale range. Silicone shock mounting for lasting
durability. When Mercury is not desired, alcohol-based blue spirit fill
Scale: 9" scale with white coated aluminum and permanently
baked bold black markings.