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from U of Delaware postcard collection Dupont Gunpowder Mills, postcard dated (in writing) 1905, postmark either 1905 or 1906 The mills were working at this time. Note the handwritten "These blow up occasionally, and then?"
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powder mill
Brandywine
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image/jpeg
checksum
2cecd6f3a5476959dfc451483c0c7054ef62c884
determination method: SHA-1
data size
313,029 byte
height
503 pixel
width
795 pixel
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