 | John Harrison - 1767 - 62 pages
...contraction by cold, becomes convex on the brafs fide in hot weather, and convex on the flee! fide in cold weather; whence^, one end being fixed, the other end obtains a motion correfponding with the changes of heat and cold, and the two pins at this end,, between which the balance-fpring... | |
 | William Nicholson - 1806 - 964 pages
...tllin Plates of brass and steel rivctted together in several rivetted toge- " places, which, by die greater expansion of brass than steel ' " by heat,...the changes of heat " and cold, and the two pins at the end, between which the " balance spring passes, and which it touches alternately as " the spring... | |
 | William Nicholson - 1809 - 752 pages
...eral placía, which, by the greater ex|>uiuion of brats than steel by beat, and contraction by culd, becomes convex on the brass side in hot weather, and convex on the steel aide in cold weather ; whence, one end being fixed, the other end obtains a motion corresponding with... | |
 | William Nicholson - 1809 - 700 pages
...Time-keeper, p. xii., notes.) "The thermometer kirb in composed of two thin plates of brass and steel rivetted together in several places, which, by the greater expansion' of brass than >teel by beat, and contraction by cold, becomes convex on the brass side in hot weather, and convex... | |
 | William Nicholson - 1819 - 394 pages
...This method is described as follows : ( Principles of Mr. Harrison's Timekeeper, p. xii. notes.) " The thermometer kirb is composed of two thin plates...the changes of heat and cold, and the two pins at the ejid, between which the balance spring passes, and which it touches alternately as the spring bends... | |
 | Luke Hebert - 1835 - 816 pages
...xii — Notes.) " The thermometer kirb is composed of two thin plates of brass and steel, rivetted together in several places, which, by the greater...the changes of heat and cold, and the two pins at the end, between which the balance spring passes, and which it alternately touches as the spring bends... | |
 | Luke Hebert - 1836 - 814 pages
...xii — Notes.) " The thermometer kirb is composed of two thin plates of brass and steel, rivetted together in several places, which, by the greater...the changes of heat and cold, and the two pins at the end, between which the balance spring passes, and which it alternately touches as the spring bends... | |
 | 1883 - 884 pages
...compensation balance, doubtless the backbone of his invention. His " thermometer kirb," he himself says, " is composed of two thin plates of brass and steel,...the changes of heat and cold, and the two pins at the end, between which the balance spring passes, and which it alternately touches as the spring bends... | |
 | 1883 - 736 pages
...compensation balance, doubtless the backbone of his invention. His 'thermometer kirb,' he himself says,' is composed of two thin plates of brass and steel,...the changes of heat and cold, and the two pins at the end, between which the balance spring passes, and which it alternately touches as the spring bends... | |
 | John Holmes Agnew, Walter Hilliard Bidwell - 1883 - 924 pages
...compensation balance, doubtless the backbone of his invention. His " thermometer kirb," he himself says, " is composed of two thin plates of brass and steel,...the changes of heat and cold, and the two pins at the end, between which the balance spring passes, and which it alternately touches as the spring bends... | |
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thermometer kirb,' he himself says, ' is composed of two thin plates of brass and steel, riveted together in several places, which, by the greater expansion of brass than steel by heat and contraction by cold, becomes convex on the brass side in hot... 
