A New Table of Seven-place Logarithms of All Numbers from 20,000 to 200,000

C. and E. Layton, 1871 - 365 pages
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Page v - ... result is a beautifully clear, legible set of figures. In the tables up to the time of Sang the columns were separated by means of rules, and generally a rule was placed after every fifth, sixth, or tenth row. Sang hit upon a new method of grouping his figures. In the Preface to his tables he says, " While editing Shortrede's Logarithmic Tables, I received a page without the usual rules because the printer's stock of them had been exhausted. The superiority of the white spaces was so manifest...
Page v - Miller and Richard, type-founders, have supplied a fount of types in which the figures are kept much more apart than is usual. The result has been a page of tabular matter which does not strain the eye, and which will compare favourably in point of legibility with any other type.
Page vi - Farther, at the sugges tion of Mr William Thomas Thomson, Manager of the Standard Life Assurance Company, the first three figures of the logarithm are placed below the last line of the page whenever a change occurs there.
Page v - Paris, 1829, adopted a distinct mark ? to indicate a change in the leading 挪th enlarged Arab nokta being substituted for the European nulla, and repeated along the line. This method of indicating the change is followed in the present work. Farther, at the...

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