Dividing engine
Graduation (instrument), Ruler, Vernier scale, Protractor, Astrolabe
978-613-4-99988-5
6134999881
80
2013-01-07
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A dividing engine is a device specifically employed to mark graduations on measuring instruments. There has always been a need for accurate measuring instruments. Whether it is a linear device such as a ruler or vernier or a circular device such as a protractor, astrolabe, sextant, theodolite, or setting circles for astronomical telescopes, the desire for ever greater precision has always existed. For every improvement in the measuring instruments, such as better alidades or the introduction of telescopic sights, the need for more exact graduations immediately followed.
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