Measuring Tools: Calipers, Dividers, Surface Gages, Micrometer Measuring Instruments (Classic Reprint) - Couverture rigide

Unknown Author

Couverture rigide

ISBN 10 : 0265810426 ISBN 13 : 9780265810422

Editeur : Forgotten Books, 2018

Synopsis

Excerpt from Measuring Tools: Calipers, Dividers, Surface Gages, Micrometer Measuring Instruments

Having completed the field work, the results of their labors were laid before a commission composed of members of the National Insti tute and learned men from other nations, who had accepted the invita tion that had been extended to them, and after carefully reviewing and calculating the work, the length of the meridian was determined, and from it was established the meter as we now have it. A platinum bar was made according to the figures given, and this furnishes the prototype of the meter of the present time, Notwithstanding all of the care taken in establishing the meter, from work done by Gen. Schubert, of Russia, and Capt. Clarke, of England, it has been shown that it is not of the quadrant passing through P''aris, but of the one passing through New York.

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Détails de l'édition

• Éditeur: Forgotten Books
• Date d'édition: 2018
• Langue: anglais
• ISBN 10: 0265810426
• ISBN 13: 9780265810422
• Reliure: Relié
• Nombre de pages: 58
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