The earliest record of a Locksmith Guelph was found on a bas-relief at an Egyptian temple in Kamak dating back . The use of raising pins to allow movement of the lock was primitive then, but refined by Linus Yale Senior and Junior in the mid-1800s. Gravity was and still is used to allow moveable pins to drop into cavities on a crossbar in order to lock a door. As the key was inserted into the lock and turned, it would move these hidden pins out of the way of the movable crossbar. The invention of the keyhole by the Greeks circa 1,300 B.C. used a slight rotary motion. The Romans designed pins of various shapes with keyholes and keys. The concept of locks was further developed in Europe, with the development of the lockcase (a wood or metal box housing the lock) and a series of sliders in a circular pattern, providing improved security.
Members of a Guild
In the 14th century, one had to be a member of a guild before becoming a recognized Locksmith Guelph. In fact, in order to become a Locksmith Guelph, one had to design and submit the working lock and key to the guild for approval and membership. The guilds regulated techniques and prices and soon gained control over Emergency Locksmith Guelph.
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