The floor of the sluice is laid with riffles made of strips of wood 2 in.
A sluice of 6 ft.
of Spain caused a sluice to be built into the dock in 1567.
A small sluice placed in the side of the conductor opposite to the meadow, and at the upper end of it, will drain away the leakage that may have escaped from the head sluice.
at neap-tide; in the sluice of the dock the numbers are 291 and 231 respectively.
It is first surrounded by an embankment, after which the water from the river is allowed to flow through a properly constructed sluice in its bank, along a drain or ditch to the land which is prepared for warping.
broad; it has vertical shafts at intervals, and a sluice chamber at its egress from the lake.
The incline of the sluice varies with the conformation of the ground and the tenacity of the stuff to be washed, from 1 in 16 to I in 8.
A sluice surreptitiously opened during a dark night and allowed to run for six hours may quite possibly double the value of his crop, but apparently the law is not often broken.
The " tom " is a sort of cradle with an extended sluice placed on an incline of about I in 12.
and upwards in area, which are placed somewhat below the main sluice, and communicate with it above and below, the entry being protected by a grating so that only the finer material is admitted.
of silt, and the field which has only one sluice can only be warped every other tide.
Each pair of wheels is built in three storeys, and the outflow of the water is controlled by a cylindrical gate or sluice, which is moved up and down by the action of the governor.
In order to save finely divided gold, amalgamated copper plates are sometimes placed in a nearly level position, at a considerable distance from the head of the sluice, the gold which is retained in it being removed from time to time.
The " pan " is now only used by prospectors, while the " cradle " and " tom " are practically confined to the Chinese; the sluice is considered to be the best contrivance for washing gold gravels.
The rusty original sluice paddle gate has survived being buried for 30 years.
Water was pouring out of the 12 inch sluice valve.
It then passes through screens and grizzlies to retain the coarse gravel, the finer material passing on to sluice boxes provided with riffles, supplied with mercury.
disintegrating auriferous gravels by powerful jets of water, and the sluice system described above; in the second case the vein stuff is prepared by crushing and the amalgamation is carried out in mills.
It is fitted with a section pipe and a circular balanced sluice for admitting and cutting off the water-supply.
sluice at one end would allow the excess water to escape.
The level of the mill dam has dropped and is now below the level of the old wheel sluice.
It has a drying room with dehumidifier, storage heater and spin dryer and a cold water sluice room for washing caving gear.
You'll see the miller turn the wheel on the right to open the sluice gate in front of the waterwheel.
Here we pass another sluice which in time of flood is opened up to fill an impounding reservoir.
Edwards was also asked to survey the whole river and put a plan together to build a new sluice at Boston.
It was straight through, to wait for the upper sluice to drop and the lower sluice to raise.
Disruption of a normal flow regime The major example if the tidal sluice at Cley next the Sea.
We finalized the time with Barry, he said that the lower sluice was about a foot lower than the road bridge.
sluice paddle gate has survived being buried for 30 years.
sluice room (where commodes are rinsed out ).
sluice gear for the ground paddles at the top of the lock.
sluice plate in the center of the dam can be raised to allow release of water.
Ahead could be seen the official end of navigation the Great Raveley Drain control sluice.
sluice away the evils that have built up in the bloated body of the movement.
wiggle beyond this is Salter's Lode Sluice and Well Creek wiggling away to the top of picture.
A sluice at one end would allow the excess water to escape.
Mrs C was lying across a doorway next to the sluice room (where commodes are rinsed out).
Sluice gear for the ground paddles at the top of the lock.
A sluice plate in the center of the dam can be raised to allow release of water.
Sydney 2000 must be the Olympics that start to sluice away the evils that have built up in the bloated body of the movement.
Just beyond this is Salter 's Lode Sluice and Well Creek wiggling away to the top of picture.
being in constant use per mile of sluice.
When it is desired to preserve a way from one road or similar class of working to another, double doors placed at sufficient intervals apart to take in one or more trams between them when closed are used, forming a kind of lock or sluice.
The word usage examples above have been gathered from various sources to reflect current and historial usage. They do not represent the opinions of YourDictionary.com.