Примери за treadle

• Starin (1989) found that pigeons preferred a terminal link requiring pecking over a terminal link requiring treadle pressing with the same programmed delay to reinforcement.

• The experimenter found that those brain-damaged rabbits still learnt to press a treadle to obtain food.

• I tried to participate in irrigation by using a treadle pump.

• He put his foot on the treadle and his hand under the press, and his fingers were cut off.

• When we go abroad we all see wonderful schemes involving treadle pumps—water pumps operated by children running round roundabouts—and other examples of small technology, as opposed to huge hydroelectric schemes.

• Household sewing machines were powered with a foot treadle; however, factory sewing machines were steam powered from a line shaft.

• About that time, the spindle method of spinning was replaced by the great wheel and soon after the treadle-driven spinning wheel.

• The tie-up consists of cords or similar mechanical linkages tying the treadles to the lams that actually lift or lower the shaft.

• Over the course of 12 years, 1.5 million treadle pumps were purchased, increasing the purchaser's income by $150 million annually.

• Using treadles or some other mechanism, the heddles are raised and lowered to open the shed in the warp threads.

• The interlocking was normally released by trains passing over track treadles as they entered the next section.

• Lately, however, the described wells/pumps are no longer very efficient and can be replaced by either handpumps or treadle pumps.

• By the end of 1984, 26,701 treadle pumps had been sold.

• Around 1480, the crank mechanism is further mechanized by adding a treadle.

• The lower end of the heddle leaves are attached to treadles or marches.