Note 38 — VOLUME III, CHAPTER I
Reading edition
"Messrs. Mallet and Pictet, being on the lake, in front of the Castle of Chillon, on August 6, 1774, sunk a thermometer to the depth of 312 feet." ... —SAUSSURE, Voyages dans les Alpes, chap. ii, § 33. It appears from the next paragraph, that the thermometer was at the bottom of the lake. [Ruskin, altered.]