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Página 233 - Illustrations. 4s. 6d.t 158. THE SLIDE RULE, AND HOW TO USE IT; containing full, easy, and simple Instructions to perform all Business Calculations with unexampled rapidity and accuracy. By CHARLES HOARE, CE Fifth Edition.
Página 223 - HALF-HOURS WITH THE STARS: a Plain and Easy Guide to the Knowledge of the Constellations. Showing in 12 Maps the position oi the principal Star-Groups night after night throughout the year. With Introduction and a separate Explanation of each Map. True for every Year.
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