By watching the valve rhythmically move up and down, Papin conceived of the idea of a piston and a cylinder engine.

By the show's tenth anniversary in 1979, 9 million American children under the age of six were watching Sesame Street daily.

By now a crowd is watching, and Hal flees into the darkness.

By the concluding scene, it seems that Hunnicut is about to change the course of history, since the passenger watching the sale from the embassy limousine now has his name on paper as the haunted vehicle's owner.

By 2000, about 46 million viewers out of a population of 280 million watched the first debate, with ten million fewer watching the subsequent debates that year.

By the show's tenth anniversary in 1979, nine million American children under the age of six were watching Sesame Street daily, and several studies showed it was having a positive educational impact.

By the show's tenth anniversary in 1979, nine million American children under the age of six were watching Sesame Street daily.

By contrast, there is no direct regulation of dolphin watching in Argentina.

By the end of the sixth season, Mulder and Scully were increasingly shown enjoying more light-hearted activities together, such as practicing baseball, using FBI funds for a " night out " during a movie premiere, and watching a movie at Mulder's apartment.

By this stage, he had already attracted the attention of major clubs, with Manchester United scout Jack O ' Brien reporting back to manager Matt Busby in 1948 that he had " today seen a 12-year-old schoolboy who merits special watching.

By watching movements of lips and face, humans get conditioned and practice lip reading.

By that time there were nearly 10 Million Britons watching some of the events on TV.

The plaque notes that Eric Coates was inspired to write By the Sleepy Lagoon, the signature tune for Desert Island Discs, whilst watching the sea from here (: File: Eric Coates plaque Selsey. jpg | read plaque.

By 1595, 15, 000 people a week were watching plays in London.

* By watching Ghatak's Meghe Dhaka Tara, I derived that pleasure by which the mind gets mesmerised by the sad aspect of life, and gets purified by the artistic communication's receiving and protesting.

By this point in time Apple was in serious trouble in the marketplace, and most developers had long given up believing any of their claims after watching one such product after another disappear.

By March 30, 1791 a second Act enabled the inhabitants of that portion of the Northern Liberties between Vine Street and Pegg ’ s Run ( Cohoquinoque Creek ) and the middle of Fourth Street and the Delaware River to elect three commissioners to lay taxes for the purpose of lighting, watching and establishing pumps within those bounds.

By watching the development of flies in which the earliest cell division produced two different genomes, he measured the embryonic distance between organs in a unit which is called the sturt in his honor.

By chance, they become involved in the action causing a series of events that parallel the play they are watching.

By luck, he also finds Holly and Selexin, and uses Selexin's teleporter to kill the final hood, by teleporting half its body away to watching officials.

By 1984, Fisher was watching over eighteen institutions in eleven countries.

By the time I finished, there were ten men on each side, the game was played indoors on plastic, and I had to spend half my time watching out for a man dressed in a chicken suit who kept trying to kiss me.

By this time, however, many of the initial viewers had already stopped watching.

By this stage in the war, the German submarine authorities had become aware of the existence of Q-ships and Captain Ernst Rosenow of the UC-29 was taking no risks with his target, remaining at 400 yards ( 366m ) distance watching the staged panicked evacuation of the ship.

By blinking this eye, he slowly dictated one alphabetic character at a time and, in so doing, was able over a great deal of time to write his memoir, The Diving Bell and the Butterfly.

By using an alphanumeric display, the calculator could tell the user what was going on: it could display meaningful error messages ("< tt > ZERO DIVIDE </ tt >") instead of simply a blinking zero ; it could also specifically prompt the user for arguments ("< tt > ENTER RADIUS </ tt >") instead of just displaying a question mark.

By blinking between those two plates he could detect small discrepancies on the positions of the objects.

By disabling the blinking effect, all 16 colors available can be used for both the background and the foreground of every character cell.

By this theory, the name of the Geordie lamp attached to the North East pit men themselves.

By 1879, Edison had produced a new concept: a high resistance lamp in a very high vacuum, which would burn for hundreds of hours.

By 1860 he was able to demonstrate a working device, and obtained a British patent covering a partial vacuum, carbon filament incandescent lamp.

By the time of the Civil War, the area west of Ninth Avenue and below 20th Street was the location of numerous distilleries making turpentine and camphene, a lamp fuel.

By 1946, a cluster of cases associated with fluorescent lamp manufacturers were apparent in the United States, and the lamp industry stopped using beryllium in 1949.

By comparison, a 60-watt household incandescent lamp will produce about 900 lumens.

By decreasing or increasing the RMS voltage and, hence, the mean power to the lamp, it is possible to vary the intensity of the light output.

By 1866 many colours were available: gold ( using mica ), blue ( using smalt or verditer ), black ( using lamp black ), white ( using lead white ), yellow ( using the mercuric mineral turpeth, also known as Schuetteite ), green ( using verdigris ) and so on.

By connecting the two lamp groups to a neutral, intermediate in potential between the two live legs, any imbalance of the load will be supplied by a current in the neutral, giving substantially constant voltage across both groups.

By backlighting such a CRT with a white or green circular fluorescent lamp, the resulting image would appear as black information against a green background or as magenta information against a white background.

By the 1920s, high-intensity lamp technology had rendered lenses of this size obsolete.

By the time the people got out of the war they were very poor, and were supplied with a few eggs and a paraffin lamp / hatcher for the eggs.

By shining the light source into the HCL, one can excite or even eject electrons ( directly photoionize ) from the atoms inside the lamp, so long as the light source includes frequencies corresponding to the right atomic transitions.

By 1816, when Clanny published Practical observations on safety lamps for coal mines, he had experimented in person with a safety lamp at the Mill Pit in Herrington near Sunderland, where there had been a serious explosive accident, with the loss of 24 lives, on 10 October 1812.

By the 1950s, the tanning lamp had become a popular consumer electronics item.

By Raman spectroscopy the red pigment is identified as red ochre, the black pigment, amorphous carbon (" lamp black ") and the white pigment gypsum.