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KEY (LOCKING)
Unique ID: PUBLIC-830FC8
Object type certainty: Certain
Workflow
status: Awaiting validation 
An incomplete post Medieval cast iron rotary key dating to the 17th - 18th century. The key has a kidney shaped flat cross section bow with a central triangular projection from the shank and another projection from the top which may originally have joined together across the bow. The shank is circular in cross section. There is a series of collars or throating below the bow and the shank is hollow and tapering for 55.43mm to its end where there is a piece missing from the back of the hollow shaft. It has been bent to about 1/3 of its total length at the bit end. The simple bit is flat and 23.47mm wide and 12.43mm in height. It has a central notch cut into the bit from the shaft end and lesser notches on the corresponding edge. The object is very corroded and the original size of the bit is uncertain.
The key is 104.31mm in length, 40.61mm in width across the bow which has an internal measurement of 30.89m. The shaft is 9.18mm thick. The key weighs 34g.
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: POST MEDIEVAL
Period from: POST MEDIEVAL
Period to: POST MEDIEVAL
Date from: Circa AD 1600
Date to: Circa AD 1800
Dimensions and weight
Quantity: 1
Length: 104.31 mm
Width: 40.61 mm
Thickness: 9.18 mm
Weight: 34 g
Discovery dates
Date(s) of discovery: Thursday 4th January 2018
Personal details
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Materials and construction
Primary material: Iron
Manufacture method: Cast
Completeness: Incomplete
Spatial metadata
Region: London (European Region)County or Unitary authority: Greater London Authority (Greater London Authority)
District: Southwark (London Borough)
Parish or ward: Riverside (London Borough Ward)
Spatial coordinates
4 Figure: TQ3778
Four figure Latitude: 51.48436664
Four figure longitude: -0.02833635
1:25K map: TQ3778
1:10K map: TQ37NE
Grid reference source: Generated from computer mapping software
Unmasked grid reference accurate to a 100 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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