[a]: One Iron key with an oval ring at top, attached to ring is cylinder, narrow at the top with 3 grooves in cylinder near top. The size of cylinder remains constant from just above the top groove to the bottom of the key. The keys are open-ended and attached to side of cylinder at bottom is the part of the key that moves the bolt of the lock backwards & forwards. The keys are identical but for the numbers impressed in the rings and a slight difference in the part that moves the bolt of the lock.
[b]: One Iron key with an oval ring at top, attached to ring is cylinder, narrow at the top with 3 grooves in cylinder near top. The size of cylinder remains constant from just above the top groove to the bottom of the key. The keys are open-ended and attached to side of cylinder at bottom is the part of the key that moves the bolt of the lock backwards & forwards. The keys are identical but for the numbers impressed in the rings and a slight difference in the part that moves the bolt of the lock.
Made/Created
Notes
Country of origin: Canada
Date made: 1920's
Inscription/Signature/Marks
Transcription
"1"
Notes
[b]: Stamped on the ring.
Transcription
"6"
Notes
[a]: Stamped on the ring.
Lexicon
Nomenclature 4.0
Nomenclature Secondary Object Term
Key
Nomenclature Primary Object Term
Device, Security
Nomenclature Sub-Class
Protective Devices
Nomenclature Class
Regulative & Protective T&E
Nomenclature Category
Category 05: Tools & Equipment for Science & Technology
Search Terms
Regualtive and protective, Regualtive and protective, Science & Technology T&E