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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11 to 20 of 7,379 Results

spiral_lock_fig_02.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 129.3 KB - MD5: 04d73fb4b00c9cc08bdb7a3fbc33c79c
spiral_lock_fig_03-01.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 94.0 KB - MD5: 5f180a0acb1efc64e51d56cbef213752
spiral_lock_fig_03-02.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 122.8 KB - MD5: ecd8fdc6bc35d9c05b36e2bec30a6d32
spiral_lock_fig_04.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 102.3 KB - MD5: 01ec3328bac9981d817c7e4b92865455
spiral_lock_fig_05.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 175.0 KB - MD5: 51c3e4996002e4da053c437c54902d77
spiral_lock_fig_06.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 228.3 KB - MD5: 3f7df2d2177012bec7aabb746b20e8a9
spiral_lock_fig_07.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 62.0 KB - MD5: 4d3b3e005403a09d81d441d4b6622f9c
spiral_lock_fig_08.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 59.3 KB - MD5: 1a66a451548bc7e0139f0fbe74ad0027
spiral_lock_fig_09.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 103.8 KB - MD5: d1faf87a7d2948d63d54257d4eb27122
spiral_lock_fig_10.png Dec 8, 2021 - 03 Spiral-lock figures PNG Image - 158.2 KB - MD5: a9e8c59b64e6196236796c760fab0880

spiral_lock_fig_02.png