Galileo Thermometer 18cm Collectable Scientific Decorative Christmas Gift Idea

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Seller: Top-Rated Seller newage-living (27,251) 99.9%, Location: Newquay, Cornwall, Ships to: GB, Item: 112901146279 Galileo Thermometer based on an idea by Galileo Galilei (1564-1642). Searching for a way to measure exact temperatures, Galileo discovered this fascinating method. He placed several exactly weighted balls in a cylinder filled with a certain liquid. He found that the balls rose or fell according to the current temperature. By this method he was able to determine the correct temperature. This thermometer works on the principle discovered by Galileo that the density of a liquid changes as temperature varies. Each of the glass balls is exactly weighted by partially filling the spheres with liquid. When the temperature rises, the liquid in the glass cylinder becomes less dense, and the heavier balls sink slowing to the bottom. Each thermometer is approx 18cm tall and comes attractively boxed. Thank you for taking the time to view this item. If you have any queries please don't hesitate to contact us, and we will get back to you as soon as possible. If you liked this listing, please view our other products for sale. Shipping Information: We aim to dispatch this item after payment has been received within one working day by Royal Mail second class postage or our website courier. About us: We have been running a successful and busy gift shop, Razzmatazz in Newquay, Cornwall since February 1998 and launched our own website in September 2008. During this time, retail trends have come and gone, but our aim has always been the same and that is to offer our customers unusual and interesting products, at affordable prices. Condition: New, Modified Item: No, Material: Glass, Type: Scientific Instruments, Sub-Type: Thermometers

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