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In his complete history of the barometer, the author documents the instrument's various permutations, the history of the scientific principles involved and the scientists who either helped or hindered progress, along with the experiments, controversies and refinements. |
Many people consult a barometer before going out, to see what the weather is likely to be. Barometers measure the general pressure of the atmosphere, which changes with the weather: falling pressure generally heralds rain; rising pressure predicts fine weather. The simple mercury barometer originated in seventeenth century Italy and was soon copied in France and Britain. | |
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Product details Hardcover: 388 pages Publisher: Antique Collectors' Club Ltd; Rev Ed edition (1 Mar 1977) Language: English ISBN-10: 0902028529 ISBN-13: 978-0902028524 Dimensions: 28.6 x 22.9 x 3.2 cm |
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Clocks offer a combination of usefulness and beauty, and have been central features of many homes since the 17th century. The large number of items shown for each type means a collector is more than likely to find something similar to what they are trying to match or identify. Special features provide additional historical and collecting information. |
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The standard reference source for watchmakers and clockmakers, collectors, dealers, museums, historians and libraries the world over. Thoroughly updated and revised by Brian Loomes in this twenty-first century edition, and now contains information on about 90,000 makers working between the late sixteenth and early twentieth centuries. |
They have hefty solid cast brass casings, scuttle clamps, bevelled glass fronts and brass hands with black subsidiary indicators on light cream faces. The movements are silvered aneroid. They have stainless steel aneroid movements showing millibars and inches of mercury. Outside diameter 9", face diameter 5.5", depth 2.25". | |
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Technical Details More accurate than many a weatherman! 19th. C. style instrument, decorative as well as interesting. Sand-cast brass |
842 Standard Series pressed brass cases (each 95mm diameter dial 70mm depth of case 50mm) mounted on polished board with brass corners. |
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Star Rating: Customers who review books often leave a star rating. Where known, I have recreated this information to give you an idea of how popular the book was deemed by readers, researchers, collectors and dealers. Star Rating is for guidance only. | |||
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