Excerpt from The Standard-Cell Comparator, a Specialized Potentiometer
In recent years, however, the movement for the revision of the values of the electrical units has accentuated the demand for high precision and reliability in the intercomparison of primary standards. For example, it is desirable that the absolute measurements of current now under way in several national laboratories shall give results agreeing to 1 part in when reduced to a common basis. To do this, it is desirable that each laboratory should know the values of its resistance standards and standard cells, in terms of its inter national ohm and volt, to 1 part in This in turn means that it would be desirable to hold down fortuitous errors in the comparison of its working coils and cells with those representing its units to one or two units in the next decimal place; that is, to 1 or 2 parts in The extension of the accuracy of a class of measurements by an additional decimal place requires recourse to refinements and precautions previously regarded as uncalled for. This paper describes a special potentiometer which is used in the standard-cell laboratory of the Bureau of Standards. In its design and construction all available precautions and refinements have been utilized in order that it shall meet the exacting requirements of the new era in the history of the electrical units....
Publisher Forgotten Books (August 24, 2018)
Language English
Hardcover 29 pages
ISBN-10 0265806097
ISBN-13 978-0265806098
Item Weight 6.9 ounces
Dimensions 5.98 x 0.25 x 9.02 inches
Discover the fascinating world of The Standard-Cell Comparator, a Specialized Potentiometer by H.G Books. This book is perfect for those interested in the topic of potentiometers and is written in the English language. The book title is self-explanatory and will definitely be a great addition to your book collection.
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