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| 1 | Title: | Labor-making machinery: an essay read before the Chicago Philosophical Society, April 12, 1879 | |
| Creator: | Powers, Frederick Perry, d. 1927 | ||
| Publication: | G.P. Putnam's Sons, New York,1879. | ||
| Notes: | On cover: Economic monographs, no. XVIII LA2299-206 Location: Room 206. | ||
| Call #: | LA2299-206 | ||
| Extent: | 39 p. ; 20 cm. | ||
| Subjects: | Machinery in industry | Labor | ||
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