Physics Department - R. Heffler's tunnel diode research
- PC1, Box 31, Folder 34, Items 37-41
- Item
- [between September 1975 and March 1978]
File contains photographs of R. Heffler (items 37, 38, 41); Alex Feargrieve (items 39, 40); and Romano Janc (items 39, 40). - Photographs taken by John Donkin (items 37-40). - see UN Vol. 6, No. 4, pg 8 and UN Vol. 8, No. 12, pg. 12.
Donkin, John