Unlocking History number (UH#)
UH0052
Original
Russian WWII Soldier Triangle Letter
Model and research notes
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.
Letterlocking Unique Video number(s) (LUV #s) & Instructional video(s) URL
LUV052 https://youtu.be/wuouh-TDO40
Instructional video info transcription
Forthcoming
Letterlocking Category number (LC #)
LC02Z
Letterlocking Format number (LF #)
4RW
Security score
Zero
Assessment of Confidence in assigning LC#
Attested
Substrate
Paper
Dimensions
Opened (in mm): H: 205mm x W: 170mm
Letterpacket (in mm): H: 100mm x W: 135mm
Manifestation
Opened
Distinctive letterlocking style(s)
Russian triangle
Triangle format
Locking mechanism
Tuck
Security enhancements
NA
Letterlocking category formula (shorthand)
LC2
Fold + Tuck
(F + T)
Letterlocking manipulation sequence (shorthand)
Forthcoming
Fold + fold + fold + fold +fold + fold + tuck
Locking instructions
Forthcoming
Images
Forthcoming
Foldable(s)
Forthcoming
Step-by-steps
Forthcoming
Substrate map
Forthcoming
Virtual unfolding results
NA
Manipulations
Writing: NA, Margin folds
Postal: Postal marks
Opening: Tears
Filing (Storage, Display): NA
Repair: NA,
Damage
Tears
Features
Dirt on panels/ in crease
Article(s)
2014. Letterlocking: The Art & Security of Letter writing in Book Arts, Arts du Livre Canada, Vol.5 (2014): 2. 21–23.
Book
Jana Dambrogio and Daniel Starza Smith with the Unlocking History Research Group. Letterlocking: The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.
Citation for the letter(s)
UH0052
Original
Simkin G., Field PO Box 03142, to Simkin M.M. (1944). MIT Libraries, Unlocking History Research Group archive, MC0760, Box 31,
Model
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.
Video
Jana Dambrogio and Daniel Starza Smith, “Russian WWII soldier triangle letter, Russia (1944).” Letterlocking Instructional Videos. Unlocking History number 0052/Letterlocking Unique Video number: 0052. Filmed: December 2015. Duration: 1:33. https://youtu.be/wuouh-TDO40. Accessed March 4, 2025.