File:Britannica Alloys Plate Figure 09.jpg
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| Description |
English: Photomicrograph of gun steel |
| Date | before 1911 |
| Source | 1911 Encyclopædia Britannica, Vol. 1, Plate between pp. 704 and 705, Fig. 9 |
| Author | Unknown author |
Caption:
Fig. 9. — Gun steel, C.=0.30%. Forged and annealed, magnified 1000 diameters, showing pearlite.
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:55, 10 April 2009 | | 288 × 182 (39 KB) | Bob Burkhardt (talk | contribs) | {{Information |Description={{en|1=Photomicrograph of gun steel}} |Source=1911 Encyclopædia Britannica, Vol. 1, Plate between pp. 704 and 705, Fig. 9 |Author=unknown |Date=before 1911 |Permission= |other_versions= }} Caption: {{small-caps|Fig.}} 9. &mda |
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