The Use and Care of a Balance (Classic Reprint) - Hardcover

Krayer, Peter J.

Hardcover

ISBN 10: 0428981631 ISBN 13: 9780428981631

Verlag: Forgotten Books, 2018

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Excerpt from The Use and Care of a Balance

For accurate weighting it is customary to make a Balance oscillate four° or five divisions on each side of the zero point. To do this the weigher is obliged to force an oscillation, by means of pushing in the pan arrest two or three times, or as often as necessary to create the necessary oscillation. As the rider is usually in use on the Beam it cannot be used for that purpose. With a container, such as a crucible or bulb that is first weighed, then charged and then weighed again, it is best on the first weighing to add, say one milligram by moving the rider, or make the balance swing out to the left five divisions and back to the zero point. On the second weighing do the same thing making it swing out to five divisions and back to the zero point. The weighing will be correct as the extra weight will'be added to the crucible or bulb and not to the object weighed.

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Über diese Auflage

• Verlag: Forgotten Books
• Erscheinungsdatum: 2018
• ISBN 10: 0428981631
• ISBN 13: 9780428981631
• Einband: Tapa dura
• Anzahl der Seiten: 48