Designed to measure heat radiation from the sun, this device consists of an aluminium tube with a blackened front enclosed in a cardboard tube blackened on the inside. Includes a borehole for a thermometer.
Aluminium tube: 30 mm x 40 mm dia. approx.
Cardboard tube: 195 mm x 50 mm dia. approx.
Weight: 350 g approx.
Universal Clamp
Zinc die-cast, uncoated, clamp with cork lining, 180 g.
Clamping width: 0 up to 80 mm
Item: U13261
$ 20.00
