Benigne Poissenot, in 1586, hinted that the cold of winter produced the ice at Chaux-les-Passavant.[69]
[69] See Part III.: [page 193].
Reichard Strein and Christoph Schallenberger visited the caves on the Ötscher in 1591.[70]
[70] See Part III.: [page 231].
Gollut, in 1592, suggested the cold of winter as the cause of the ice at Chaux-les-Passavant.[71]
[71] See Part III.: [page 202].
In the Histoire de l’Académie Royale des Sciences, 1686, Tome II., pages 2, 3, there is an account, with no author’s name, of Chaux-les-Passavant. The memoir states that in winter the cave is filled with thick vapors and that after some trees were cut down near the entrance, the ice was less abundant than formerly: that people come for ice with carts and mules, but that the ice does not become exhausted, for one day of great heat forms more ice than could be carried away in eight days in carts and wagons: and that when a fog forms in the cave, there is assuredly rain the following day, and that the peasants in the neighborhood consult this curious “almanac” to know the weather which is coming.
Freiherr Valvasor, in 1689, wrote about some of the glacières of the Krain.[72]
[72] See Part III.: pages 238, 239.