| Book | Save | ||
| 1 | Title: | Orton's lightning calculator, and accountant's assistant | |
| Creator: | Orton, Hoy D. | ||
| Publication: | H.D. Orton, Shelby, O,c1866. | ||
| Call #: | B 4743 | ||
| Extent: | vi, [9]-194 p. front. (port.) 18 cm. | ||
| Subjects: | Ready-reckoners | Mathematics | Ohio imprints 1866 | ||
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