Original file (971 × 788 pixels, file size: 179 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:48, 30 July 2009 | 971 × 788 (179 KB) | HanchaoZhang | smaller | |
18:43, 30 July 2009 | 1,941 × 1,576 (862 KB) | HanchaoZhang | {{Information |Description=ASTM Certification of 1947 |Source=http://www.koehlerinstrument.com/literature/catalog/2006/CatalogCover.jpg |Author= ASTM |Permission= Koehler Instrument Company }} |
Original file (971 × 788 pixels, file size: 179 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:48, 30 July 2009 | 971 × 788 (179 KB) | HanchaoZhang | smaller | |
18:43, 30 July 2009 | 1,941 × 1,576 (862 KB) | HanchaoZhang | {{Information |Description=ASTM Certification of 1947 |Source=http://www.koehlerinstrument.com/literature/catalog/2006/CatalogCover.jpg |Author= ASTM |Permission= Koehler Instrument Company }} |