Unlocking History number (UH#)
UH037
Original
WWII Prisoner of War (POW) Letter from a Son to his Mother, MIT Libraries, Unlocking History Research Group archive, MC0760, Box 31.
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
LUV037 https://youtu.be/TaLrx9Jl8GA
Instructional video info transcription
Forthcoming
Letterlocking Category number (LC #)
LC27Z
Letterlocking Format number (LF #)
4RXW
Security score
Zero
Assessment of Confidence in assigning LC#
Attested
Substrate
Paper
Dimensions
Forthcoming
Opened (in mm):
Letterpacket (in mm):
Manifestation
Opened
Distinctive letterlocking style(s)
Military stationery
Locking mechanism
Lock
Security enhancements
Forbidden to secure shut.
Letterlocking category formula (shorthand)
LC27
Fold + Slit/Hole + Lock-SA
(F + S/H + LSA)
Letterlocking manipulation sequence (shorthand)
Fold + fold + lock-SA + slit (F + F+ LSA+ S)
Locking instructions
Military stationery with pre shaped lock-SA and slit. Create a C-fold: Fold short-edge to short-edge fold bottom edge up. Keep folded. Fold short-edge to short-edge top lock-SA panel down. Insert lock-SA through the slit. Write address in designated area.
Images
Forthcoming
Foldable(s)
Forthcoming
Step-by-steps
Forthcoming
Substrate map
Forthcoming
Virtual unfolding results
NA
Manipulations
Forthcoming
Writing: NA
Postal: Pre-printed postage instructions
Opening: NA
Filing (Storage, Display): NA
Repair: NA
Damage
NA
Features
Dirt on panels/ in crease
Article(s)
NA
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)
Original UH0037
Dino Belardinelli to Signora Natalina Belardinelli, Oran, Algeria (December 27, 1944). MIT Libraries, Unlocking History Research Group archive, MC0760, Box 31.
Model (LUV037)
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.
Video
Jana Dambrogio and the Unlocking History Research Group, “WWII prisoner of war letter from a son to his mother, Oran, Algeria (27 December 1944).” Letterlocking Instructional Videos. Unlocking History number 0037/Letterlocking Unique Video number: 0037. Filmed: July 2016. Posted: July 2016. Duration: 0:34. URL: https://youtu.be/TaLrx9Jl8GA. Accessed March 4, 2025.