recursive perforation
UH0128, a spiral lock’s locking mechanism includes recursive perforation
Unlocking History Concept uri
https://letterlocking.org/doll/concept/419
Preferred label
recursive perforation
Alternative label
Scope note
A technique in which the lock laces through itself and the letterpacket multiple times.
Top concept
techniques
https://letterlocking.org/doll/concept/611
Broader/Parent concept
techniques
https://letterlocking.org/doll/concept/611
Related concept
locking mechanism
https://letterlocking.org/doll/concept/319
The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute Concept uri
Not in AAT
The Language of Bindings Thesaurus (LoB) Concept uri
Not in LoB
Scope note source reference
Source
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.
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