Table 3.

Temperature gradients in the constant temperature baths

Nominal Temperature of Bath	Difference between temp, at top of bath and temp, at bottom of bath	Number of cm below top of bath liquid at which bottom measurements were made
0 °C	2 mK	22.3 cm
30 °C	− 3 mK	24.2 cm
60 °C	− 5 mK	22.3 cm