A Study of Temperatures in the Valley of Ten Thousand Smokes (Part VIII in Series)

TL;DRAbstract

The most serious failure of the expedition of 1917 was its inability to measure the temperatures of the volcanoes in the Valley of Ten Thousand Smokes.The Smokes were so much hotter than had been anticipated that the expedition found itself without the apparatus necessary for their measurement.An ordinary mercury thermometer, registering up to 350 C, was all that had been provided.The top of this was soon broken, but before this accident occurred, it had been discovered that many of the temperatures were beyond the range of this instrument, or at least so near the limit of its readings that it was not considered safe to immerse it in the hot vapors long enough to allow the mercury to expand fully for fear of bursting the tube.One of the principal objectives of the Expedition of 1918, which was undertaken by the authors, was therefore the study of the temperatures of the vents in the Valley.In this project, as well as in the chemical study of the volcanic gases, the expeditions were aid

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