History of Locks
Museum Notice Board
Padlock: Key Change.
Key: Parautoptic, 6 lever, with Detachable Bit & Adjustable Steps.
Trophy: Aubin’s Exhibition Trophy
Padlock: Defiance Patent.
Lock: 2 Tumbler Barron's Patent Box Lock, Fretted.
CoR: England. Sz: 63 x 38mm. Mt: brass, steel. Wt: 80g.
Robert Barron was the first to patent the 'double acting' principle in the 18th century.
This list is randomly organised -
Sargent & Greenleaf
Time Lock: Single 72 hour Movement.
Sz: 114 x 114 x 60mm. Mt: brass, steel, glass. Wt:
CoR: Roman Empire.
Sz: 49 x 34mm. Mt: Bronze. Wt: 37g.
Lock: Double Chamber.
Sz: 140 x 183mm. Mt: iron, brass. Wt: 2.3kg.
The palace of Westminster suffered a devastating fire in 1843; William Marr was awarded the contract for the supply of locks for the new building, this style fitted to the numerous iron doors.
Lock: C Type.
Sz: 99 x 88 x 21mm (plus 11mm bolt throw & 32mm nozzle). Mt: iron, brass. Wt: 1.054kg.
With 7 levers featuring a anti-
Herring & Co
KCL: Dexters Patent
Sn: 38376. CoR: USA. Sz: 160 x 92, plus 45mm bolt extension. Mt: brass, steel. Wt:
Featuring the double drive cam; later adopted by the Manifoil series of combination locks of the mid 20th century.
Key to Abbreviations
As used on HoL web sites and
in artefact & archive documents.
CoR: country or region.
KCL: keyless combination lock.
Sn: serial number.
Where to see Artefacts
The download version of these pages identifies where you can see the items featured in the Heritage collection.
Note: Items from the Heritage collection circulate around our various sites so always download the latest version or check with us before travelling to see specific objects.
Detail, lock No. 25 and labelled Price, from the Aubin Lock Trophy featured in the MLA Heritage Room. Art. No. 49.
More sample artefact pages like this to be added shortly.
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