PSS Medal
awarded in 1860 to
John MacNair
for his Dry Collodion Process
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Front of the Medal
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© Chris
Honeywell, Oxford, England
Back of the Medal
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© Chris
Honeywell, Oxford, England
Legend around the Edge of the Medal
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© Chris
Honeywell, Oxford, England
© Chris
Honeywell, Oxford, England

© Chris
Honeywell, Oxford, England
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© Chris
Honeywell, Oxford, England
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© Chris
Honeywell, Oxford, England
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© Chris
Honeywell, Oxford, England
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© Chris
Honeywell, Oxford, England
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