The Slide Rule and How to Use It . PHILADELPHIA, PRIZE MEDAL Was awarded to the Publishers for Books: Rudimentary, Scientific, WEALES SERIES, CROSBY LOCKWOOD & SON, 7, STATIONERS HALL COURT, LUDGATE HILL, LONDON, *VCatalogues postfree on application. WEALE S RUDIMENTARY SERIES. WEALES RUDIMENTARY SCIENTIFIC SERIES.

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Keywords: ., bookcentury1800, bookdecade1890, bookidsliderulehow, bookyear1896