Hatfield-Turner heat flow disc
- Made:
- 1948-1958
Hatfield-Turner heat flow disc (a tellurium-silver disc with copper gauze on each side, designed for measuring heat flow through a surface), 1948-1958
Hatfield-Turner heat flow disc (a tellurium-silver disc with copper gauze on each side, designed for measuring heat flow through a surface), 1948-1958