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History
Disc tumbler lock
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A disc tumbler or disc detainer lock is a lock composed of slotted rotating detainer discs. The lock was invented by Finnish founder of Abloy, Emil Henriksson (1886–1959) in 1907 and first manufactured under the Abloy brand in 1918.
The underside of a disc tumbler lock
The underside of a disc tumbler lock
A key for a disc tumbler lock
A key for a disc tumbler lock
Lock and key
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A lock is a mechanical or electronic fastening device that is released by a physical object, by supplying secret information, by a combination thereof, or it may only be able to be opened from one side, such as a door chain.
A typical modern padlock and its keys
A typical modern padlock and its keys
Bronze lock in a form of scorpion from Nalanda, India, 10th century.
Bronze lock in a form of scorpion from Nalanda, India, 10th century.
Medieval Gothic lock, from the 15th–16th centuries, made of iron, in the Metropolitan Museum of Art (New York City)
Medieval Gothic lock, from the 15th–16th centuries, made of iron, in the Metropolitan Museum of Art (New York City)
Drunk man's lock at the bottom (black lock) and a regular modern lock at the top
Drunk man's lock at the bottom (black lock) and a regular modern lock at the top