Making Sense of the Stamp Room

One of the things that struck me as odd about the stamp room (and excavations of 100.T1 to be more precise) was that the long, deep trough running east/west through the center of it was too large for one set of stamps. After making some measurements, looking at historic photos, and then combing them with modern photos I think I’ve figured out just what was going on in that trough.

In a previous blog post, ” ,” I talked about how the vertical metal straps were supports for the stamp batteries themselves. These straps were located along mounts consisting of alternating layers of wood and iron, built to support a great weight.

I took an historic photo of the stamps used in Warren’s Mill and (with a little help from Mark Dice) combined it with a recent photo of the excavated 100.T1. The composite image shows how the stamps sat in the trough, and tells us that one of the mounts was removed at some point, which made it more difficult to recreate the technology in our minds when we first started. Now thanks to this composite, we can start to imagine how machinery was used and integrated into the architecture.

100.T1 after excavation. Note the iron straps on either side of the trough but nothing in the middle.

The same image with historic stamps added. Now we can see where the missing mounts would have been.


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About Sean Gohman

Currently a PhD Degree seeking student in the Michigan Tech University's Industrial Heritage and Archaeology program.

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