By the age of six young Johnny indicated that he had the call.

By the time they reach that age, however, Aristotle no longer worries about the evil influence of comedies.

By ancient common law it might be required of all persons above the age of 12, and it was repeatedly used as a test for the disaffected.

By age 8, those who were signing as babies scored an average of twelve points higher on the WISC-III IQ test.

By age three, however, her mother changed her name to Elizabeth Sewall Alcott, after her own mother.

By the age of twenty, Ferdinando I, Duke of Mantua, began commissioning works from him, and he was also employed by local jewelers for figurative designs.

By the help of these discoveries, Angle civilization in the age preceding the invasion of Britannia can be fitted together.

By age 19, Diabelli had already composed several important compositions, including six masses.

By the time of his relatively early death at the age of 51, Erlang created the field of telephone networks analysis.

By the age of 64 after forty years imprisonment ` Abdu ’ l-Bahá was freed by the Young Turks and he and his family began to live in relative safety.

By age 32, Fuller was bankrupt and jobless, living in public, low-income housing in Chicago, Illinois.

By age twenty, she had met and befriended the important, and pivotal, landscape painter of the Barbizon School, Camille Corot, who excelled in figure painting as well.

By the age of four, he was able to play 40 pieces on the piano ; his mother began formally teaching him the next year.

By age 13 Chaplin had fully abandoned education.

By the time Mozart arrived at age 25, in 1781, the dominant styles of Vienna were recognizably connected to the emergence in the 1750s of the early Classical style.

By conceiving a timeless setting — " a vanished age " — and by carefully choosing names that resembled human history, Howard shrewdly avoided the problem of historical anachronisms and the need for lengthy exposition.

By the early 940s Constantine was an old man, perhaps more than 70 years of age.

By 1 July 1933 there were 1, 463 working camps with 250, 000 junior enrollees ( 18 – 25 years of age ), 28, 000 veterans, 14, 000 American Indians, and 25, 000 Locally Enrolled ( or Experienced ) Men ( LEM ).

By the age of Augustus, poets like Virgil closely adhered to the rules of the meter and approached it in a highly rhetorical way, looking for effects that can be exploited in skilled recitation.

By age nine, she was appearing on The Cas Walker Show on both WIVK Radio and WBIR-TV in Knoxville, Tennessee.

By age 16 he had bought his first guitar ( a Harmony acoustic archtop with a sunburst finish ) and begun making contacts in the music business, becoming friends with folk singer Erik Darling, a latter-day member of the Weavers.

By the age of seven, Plato began doing television commercials, reportedly appearing in over 100 spots for companies as diverse as Kentucky Fried Chicken, Dole, and Atlantic Richfield.

By the time Dewey moved to Chicago at the age of thirty-five, he had already published two books on psychology and applied psychology.

By 1952, at the age of 55, Capra effectively retired from Hollywood filmmaking and spent his later years working with Caltech, his alma mater, to produce educational films on science topics.

By the early 20th century, radiometric dating allowed the Earth's age to be estimated at two billion years.

By this standard, it is determined that where two stations operating on the same frequency are involved, objectionable interference from station A exists at any point within the service area of station B where station A's signal is of an intensity one-twentieth or more of the strength of station B's signal at that point.

Reports Jim Lendrum: `` By studying men on the job, we found that two men -- a carpenter and a helper -- can lay a floor faster than three.

By scrutinizing the flowers, one can also notice that the scale bears one or two tiny warts.

By virtue of the legal responsibilities of the Department of Employment in the farm placement program, we necessarily found ourselves in the middle between these two forces.

By this procedure rinsing progresses in two stages, first by dilution until the time when the drains are separated and thereafter by displacement of the soil-bearing liquor by clean rinse water, since soiled liquor squeezed from the specimens at the nip passes directly to waste from the suds box drains.

By the time his son Abraham was born, Thomas owned two farms, several town lots, livestock, and horses.

By the tenth century two other forms can be distinguished namely Canaanite and Aramaic.

: " By the step leading up into the sleeping-car stood a young Belgian lieutenant, resplendent in uniform, conversing with a small man ( Hercule Poirot ) muffled up to the ears of whom nothing was visible but a pink-tipped nose and the two points of an upward-curled moustache.

By the late 5th century BC, philosophers might separate Aphrodite into two separate goddesses, not individuated in cult: Aphrodite Ourania, born from the sea foam after Cronus castrated Uranus, and Aphrodite Pandemos, the common Aphrodite " of all the folk ," born from Zeus and Dione.

By the summer of 1823, Alcott returned to Connecticut in debt to his father, who bailed him out after his last two unsuccessful sales trips.

By the time of Mesalim, whichever dynasty controlled the city of Kish was recognised as šar kiššati (= king of Kish ), and was considered preeminent in Sumer, possibly because this was where the two rivers approached, and whoever controlled Kish ultimately controlled the irrigation systems of the other cities downstream.

By 1073 there were only two Englishmen in episcopal sees, and by the time of William's death in 1089, there was only one, Wulfstan II of Worcester.

By Charlotte, he had two children.

By 300 BC, a punctuation symbol ( two slanted wedges ) was co-opted as a placeholder in the same Babylonian system.

By the time mission control issued the wake-up call to the crew for flight day two, the spacecraft was approximately away from the Earth, traveling at about.

By using the palette to mask the top area of the display and taking care about when it changes mode it can shift the continuous graphics at the bottom of the display down in two pixel increments because the internal display counter is not incremented on blank scanlines during non-continuous graphics modes.

By 1686 he had definitely established the " Italian overture " form ( second edition of Dal male il bene ), and had abandoned the ground bass and the binary form air in two stanzas in favour of the ternary form or da capo type of air.

By Endeïs Aeacus had two sons, Telamon and Peleus ( father of Achilles ), and by Psamathe a son, Phocus, whom he preferred to the two others, both of whom contrived to kill Phocus during a contest, and then fled from their native island.

By the late 19th century, two problems were identified before heavier-than-air flight could be realized.

By offering to isolate her in Senex's house, he is able to give Philia and Hero some time alone together, and the two fall in love.

By definition a multilinear map is alternating if it vanishes whenever two of its arguments are equal.

By symmetry, any algebra which satisfies any two of:

By 1993, all of the fixed-wing aircraft of the original EHV ( with the exception of the two old Nord 262 transports ) had been taken out of service, and either scrapped, sold off, or abandoned.

By finding how similar two protein sequences are, we acquire knowledge about their structure and therefore their function.