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The Practical Model Calculator, for the Engineer, Mechanic, Machinist, Manufacturer of Engine-Work, Naval Architect, Miner, and Millwright (Classic Reprint) - Couverture souple
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Seconds make 1M inute marked M. or .60 Minutes 1H our Hr. 24 Hours 1D ay Day. 7D ays IW eek Wk. 4W eeks 1M onth Mo. 13M onthMD ay,6H ours, j1 jH yy or 365 Days, 6H ours. Sec. Min. 60 =1 Hr. 3600 =60 =1 Day. 86400 =1440 =24 =1 Wk. 604800 =10080 =168 =7=1 Mo. 2419200 =40320 =672 =28 =4 =1 31557600 =525960 =8766 =365J =1 Year. Wk.D a.H r. Mo. Da. Hr. Or 52 16 =13 16 =1 Julian Year. Da. Hr. M. Sec. But 365 548 48 =1 Solar Year. The time of rotation of the earth on its axis is called a sidereal day, for the following reason: If a permanent object be placed on the surface of the earth, always retaining the same position, it may be so located as to be posited in the same plane with the observer and some selected fixed star at the same instant of time; although this coincidence may be but momentary, still this coincidence continually recurs, and the interval elapsed between two consecutive coincidences has always throughout all ages appeared the same. It is this interval that is called a sidereal day. The sidereal day increased in a certain ratio, and called the mean solar day, has been adopted as the standard of time. Thus, 366-256365160 sidereal days =366-256365160 -1 or 365-256365160 mean solar days, whence sidereal day :mean solar day :: 365-256365160 :366-256365160 :: 0-997269672 :1 or as 1: 1-002737803, when 23 hours, 56 minutes 4-0996608 sec. of mean solar time =1 sidereal day; and 24 hours, 3minutes, 56-5461797 sec. of sidereal time =1 mean solar day. The true solar day is the interval between two successive coincidences of the sun with a fixed object on the earths surface, bringing the sun, the fixed object, and the observer in the same plane. This interval is variable, but is susceptible of a maximum and minimum, and oscillates about that mean period which is called a mean solar day. Apparent or true time is that which is denoted by the sun-dial, from the
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist, Manufacturer of Engine-Work, Naval Architect, Miner, and Millwright (Classic Reprint)
Vendeur : WYEMART LIMITED, HEREFORD, Royaume-Uni
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Paperback. Etat : New. N° de réf. du vendeur mon0000199713
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist, Manufacturer of EngineWork, Naval Architect, Miner, and Millwright Classic Reprint
Vendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
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PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9781330585177
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist, Manufacturer of EngineWork, Naval Architect, Miner, and Millwright Classic Reprint
Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
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PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9781330585177
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The Practical Model Calculator, for the Engineer, Mechanic, Machinist,
impression à la demandeVendeur : Forgotten Books, London, Royaume-Uni
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Paperback. Etat : New. Print on Demand. This book explores the fascinating world of weights and measures, guiding readers through their rich history, evolution, and significance in our daily lives. The author delves into the origins of measurement systems in ancient civilizations, tracing their development from simple units based on the human body to the complex and standardized frameworks we use today. The book also examines the practical applications of measurement in various fields, from science and engineering to commerce and trade. By understanding the fundamental principles of weights and measures, readers gain a deeper appreciation for the role they play in our world and the ways in which they have shaped our understanding of the physical universe. Ultimately, this book not only provides a comprehensive account of measurement systems but also sheds light on their broader cultural and historical significance, making it an invaluable resource for anyone interested in the foundations of science, technology, and everyday life. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9781330585177_0
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