The Chinese invented the canal lock in the 10th century..
Micheal Hinckley
1989
It provides a method of raising and lowering boats to match the water level without having 'water falls' involved.
James Brindley was an English engineer who was well known for its craftsmanship and ingenuity. In his early years he designed and built an engine for draining coal mines and he also built a machine for a silk mill. But heâ??s best known for his masterful work as a canal engineer.
Lost in history, although if their was a specific time period it woud be sometime during the mesopotamia time period where the fertal cresent was.
Which canal?
yes
Gate is the name given to the lower barrier of a canal lock. A Canal lock is used to lower and raise the water to move boats along a waterway.
Lock
The Saint Lawrence Seaway
a seletion of a waterway.
A canal Hair Remote car lock (has a lock but no key) airlock
I think that you mean 'lock' and not loch. A lock on a canal or river allows water level to be raised or lowered so that boats can go upstream or downstream.
The sides of a canal lock is made from bricks or concrete.
lock 3PM schedule
Joseph Loch invented the modern combination lock in 1878.
It all depends on what kind of lock. It could be a lock in a canal, a door lock, an ignition lock on a vehicle, a lock of hair, a padlock, or any of many kinds of locks.
There are no locks in the Suez Canal as it connects two bodies of water that are at the same level