 | John E. Fuller - 1846 - 82 σελίδες
...PALMER'S ENDLESS SELF-COMPUTING SCALE. The proprietors of this invaluable work, beg leave to pre•ent the public with the following notice. This Scale (the...calculations are but a pleasurable exercise of the mind. 2d. A great saving of time. Computations requiring from three to four days, are wrought out by this... | |
 | Colorado College - 1909 - 44 σελίδες
...following details, copied from pages 3 and 4 of the 1844 publication, are of interest: "This Scale . . . consists of a logarithmic combination of numbers,...other, and solves an infinite variety of problems . . . ." "The work is now in course of publication and will be ready for delivery to subscribers, in... | |
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... the public with the following notice : This Scale (the result of three years' incessant labor) is designed as an assistant in all arithmetical calculations. The simplicity, rapidity, and accuracy of its results have astonished our best mathematicians.... 