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Old Sep 26, 2008, 03:16 AM   #1
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medival coin production glass window

I recently visited the Bode-Museum in berlin/germany. here is very interesting glass-window from "Münzstätte Schaffhausen" from the year 1565, showing the production process of coins.
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Old Sep 26, 2008, 07:35 AM   #2
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Very cool. I wonder what's going on in the upper, right panel? Engraving process? There appears to be a long box of blanks, but then the person has a hammer in his hand, so I'm not certain.

Thanks for sharing.

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Old Sep 26, 2008, 08:00 AM   #3
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Describing the operation shown in the window, which looks to start at the bottom Dennis Coper (Art and Craft of Coin Making, 1988) suggests that the operations are:

1. Metal poured from a crucible through a tundish mounted in a vertical mould
2. 3. Thinning of cast bars in two ways; first two men are hammering the bars on a broad anvil and then one man performs a similar operation on a narrow anvil
4. Top centre pannel shows the strip being sheared, presumably into squares that are then hammered round
5. Next comes an annealing process
6. An edge shaping operation(?) with a pile of blanks being held in a kind of cramp being beaten on a flat surface by a wooden mallet
7. Finally the coins are struck

Incidentally the window is dedicated to Walter Zenckgraff, the Schaffhausen mintmaster in 1565.



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