X-ray photographic negative of wood samples, 1978
- Made:
- 1978 in unknown place
Photographic X-ray negative of wood samples, 1978. Taken using microdensitometer, made by Joyce-Loebl Limited, Gateshead, England, used to measure the X-ray density of tree rings in research into past climates.
Details
- Category:
- Meteorology
- Object Number:
- 1998-205 Pt4
- Materials:
- plastic (unidentified)
- Measurements:
-
overall: 150 mm x 252 mm 0.03kg
- type:
- negative-photographic
- credit:
- Donated by Swiss Federal Institute for Forest, Snow and Landscape Research