File:Britannica Glass Siemens Furnace.png
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Size of this preview: 800 × 354 pixels. Other resolutions: 320 × 141 pixels | 640 × 283 pixels | 1,681 × 743 pixels.
Original file (1,681 × 743 pixels, file size: 96 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:34, 24 September 2009 | 1,681 × 743 (96 KB) | Bob Burkhardt | {{Information |Description={{en|1=Illustration of a Siemens continuous tank glass furnace (two cross-sectional views).}} |Source=Encyclopædia Britannica, 11th ed., Vol. 12, p. 87 |Author=unknown |Date=published 1911 |Permission={{PD-Britannica}} |other_v |
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