Unlocking History

Overall project Dataverse for all projects run by the Unlocking History research group. Unlocking History researches letterlocking, the historical practice of folding and securing a writing substrate to become its own envelope. For more information, see letterlocking.org.

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41 to 50 of 7,379 Results

spiral_lock_fig_30-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 22.8 MB - MD5: 856434ffb7d1dc0f46dbd09149b70b82
spiral_lock_fig_31_raking-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 32.1 MB - MD5: eeb0a38f083532bf52f558bbe4782ae1
spiral_lock_fig_31_transmitted-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 47.7 MB - MD5: 4364d61e2fb72bdff704e6882015837d
spiral_lock_fig_32-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 14.2 MB - MD5: 3674ca7ceeb38d183cc6e5fab3674f76
spiral_lock_fig_33-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 1.1 MB - MD5: 98f132b393255ad39ef8547bda341da3
spiral_lock_fig_34-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 12.7 MB - MD5: 132996efedb8ff504cd7490abc5b8cd2
spiral_lock_fig_35-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 693.7 KB - MD5: 1876d757b0a8141a7e8caf75f591b879
spiral_lock_fig_36-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 116.1 MB - MD5: 99e956c6915c461f4291b70121721f5c
spiral_lock_fig_37-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 5.2 MB - MD5: 11c77fe246a4334a067d255a81b17b06
spiral_lock_fig_38-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 2.1 MB - MD5: a5249773bec0e66a1b67e30446900bf9

spiral_lock_fig_30-01.png