Electrical box with LEDs for microdensitometer

Electrical box with LEDs for microdensitometer used to measure the X-ray density of tree rings in research into past climates, 1978

Details

Category:
Meteorology
Object Number:
1998-205 Pt22
Materials:
glass, metal (unknown) and plastic (unidentified)
Measurements:
overall: 4.4094 x 3.7402 x 2.3622 in.; 11.2 x 9.5 x 6 cm
type:
instrument component and densitometer
credit:
Donated by Swiss Federal Institute for Forest, Snow and Landscape Research