What is the Best Unit of Length?: An Inquiry Addressed to the International Association for Obtaining a Uniform Decimal System of Measures, Weights, and Coins : with Answers from the British Branch of the Association, Shewing that the Best Unit of Length is the Metre

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Bell and Daldy, 1858 - 79 sider

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Side 7 - Highness the Prince Regent, that he will be graciously pleased to give directions for ascertaining the length of the pendulum vibrating seconds of time in the latitude of London, as compared with the standard measure in the possession of this House, and for determining the variations in...
Side 22 - Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacuum at the Level of the Sea...
Side 7 - That an humble address be presented to his Royal Highness the Prince Regent, that he will be graciously pleased to give directions for ascertaining the length of the pendulum vibrating seconds of time in the latitude of London, as compared with the standard measure in the possession of this House, and for determining the variations in length of the said pendulum at the principal stations of the trigonometrical survey extended through Great Britain ; and also for comparing the said standard...
Side 5 - June 1819, they give their opinion, that " there is no practical advantage in having a quantity commensurable to any original quantity, existing, or which may be imagined to exist, in nature, except as affording some little encouragement to its common adoption by ueighbouring nations.
Side 32 - ... is less than that in the parallel of 9° 34', a degree and a half farther to the south. This is similar to what appears in the degree in England ; and there is an instance of the same species of retrogradation, when the parts of the arch between Dunkirk and Formentera are compared with one another. Some part of this irregularity, but certainly a very small one, may be ascribed to error of observation ; the greatest part must, we think, be placed to account of the irregularities in the direction...
Side 37 - Again ; the mathematical postulate, that " things which are equal to the same are equal to one another," is similar to the form of the syllogism in logic, which unites things agreeing in the middle term.
Side 9 - ... but few examples. It was not long after the commencement of this survey, that a system of trigonometrical and astronomical operations of still greater extent was undertaken by the French government. The want of system in the weights and measures of every country ; the perplexity which that occasions ; the ambiguous language it forces us to speak ; the useless labour to which it subjects us, and the endless frauds which it conceals, have been long the disgrace of civilized nations.
Side 14 - Speeches in the house of commons upon the Equalization of the Weights and Measures of great Britain ; with notes observations, by Sir John Riggs Miller Brt.
Side 7 - Standard be considered as the foundation of all legal Weights and Measures, and that it be declared, that the length of the pendulum vibrating seconds in a vacuum, on the level of the sea, in London, is 39-13929 inches, and that of the French metre, 39-37079 inches, the English standards being employed at 62
Side 18 - The Bishop himself, indeed, had very liberally acknowledged in his private letter, that he took the hint of making his proposition to the National Assembly of France from what had been lately submitted to the British Parliament upon the same subject.

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