
1) Italian invention
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1) Thermometer
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A thermoscope is a device that shows changes in temperature. A typical design is a tube in which a liquid rises and falls as the temperature changes. It was replaced by the thermometer in the early 18th century by the improvement of an added scale, the basis of modern temperature measurement. ==Function== It is thought, but not certain that Galile...
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http://en.wikipedia.org/wiki/Thermoscope

instrument indicating change in temperature
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• (n.) An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer.
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http://thinkexist.com/dictionary/meaning/thermoscope/
Ther'mo·scope noun [
Thermo- +
- scope .]
(Physics) An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called th...
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http://www.encyclo.co.uk/webster/T/43

Type: Term Pronunciation: ther′mō-skōp Definitions: 1. An instrument for indicating slight differences of temperature, without registering or recording them. Synonyms: differential thermometer
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http://www.medilexicon.com/medicaldictionary.php?t=91519

thermoscope 1. An instrument for indicating slight differences of temperature without registering or recording them. 2. An instrument for detecting temperature changes in a substance by observing corresponding volume changes. 3. The earliest known version of a thermometer, developed by Galileo in 1592, using air in a tube instead of liquid.
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http://www.wordinfo.info/words/index/info/view_unit/4265/26
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