Mechanical ink marks; a study of mechanograms as means of identifying marks made by mechanical appliances, and detecting imitations thereof,
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| Author / Creator: | Melcher, Webster Adam, 1864- |
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| Imprint: | Philadelphia, 1914. |
| Description: | cover-title, 27 p. 23 cm. |
| Language: | English |
| Subject: | |
| Format: | Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/3919170 |
| Item Description: | At head of title: no.20 |
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| Physical Description: | cover-title, 27 p. 23 cm. |
