Unlocking History number (UH#)
UH0161
Original
Ludwig von Beethoven’s folded letter to Karl Holz
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
LUV161 https://youtu.be/d04hwTPAUiI
Instructional video info transcription
Forthcoming
Letterlocking Category number (LC #)
LC01Z
Letterlocking Format number (LF #)
4S
Security score
Zero
Assessment of Confidence in assigning LC#
Inferred
Substrate
Paper
Dimensions
Opened (in mm): H: 208mm x W: 260mm
Letterpacket (in mm): H: 30mm x W: 50mm
Manifestation
Opened
Distinctive letterlocking style(s)
NA
Locking mechanism
NA, Fold
Security enhancements
NA
Letterlocking category formula (shorthand)
LC1
Fold
(F)
Letterlocking manipulation sequence (shorthand)
Fold + fold + fold + fold + fold + fold + fold + fold
Locking instructions
Fold long-edge to long-edge, keep folded. fold long-edge to long-edge, keep folded. fold long-edge to long-edge, keep folded. double roll-folded closed gatefold.
Images
Forthcoming
Foldable(s)
Forthcoming
Step-by-steps
Forthcoming
Substrate map
Forthcoming
Virtual unfolding results
NA
Manipulations
Writing: NA
Postal: NA
Opening: NA
Filing (Storage, Display): NA
Repair: Mends
Damage
Tears
Ink Corrosion
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)
UH0161
Original
Ludwig van Beethoven to Karl Holz (date not known). Houghton Library, Harvard University, bMS Lowell, fol. 20.
Model
MIT Libraries, Unlocking History Research Group archive, MC0760, Box 25.
Video
LUV161
Jana Dambrogio and the Unlocking History Research Group, “Beethoven’s folded letter to Karl Holz, Europe (date not known).” Letterlocking Instructional Videos. Unlocking History number 0161/Letterlocking Unique Video number: 0161. Filmed: December 2017. Duration: 2:26. https://youtu.be/d04hwTPAUiI. Accessed March 4, 2025.