Analysis of information sources in references of the Wikipedia article "David Rittenhouse" in English language version.
It was at this period, or rather at about the seventeenth year of his age, that he made a wooden clock, of very ingenious workmanship:
David Rittenhouse was born in 1732 and died in 1796. .... He is said to have made his first clock at the age of 17 (1749). This was a wooden clock and the records show that he and his brother Benjamin made brass clocks in 1760.
David Rittenhouse was born April 8, 1732 in Roxborough Township, Philadelphia County. Around the age of 17 he constructed a clock with wooden gears. His father, recognizing his son's potential, helped David build a collection of tools necessary for clock making. After construction was completed on a small workshop at the family's Norriton farm, David began making and selling clocks.
It was at this period, or rather at about the seventeenth year of his age, that he made a wooden clock, of very ingenious workmanship:
David Rittenhouse was born in 1732 and died in 1796. .... He is said to have made his first clock at the age of 17 (1749). This was a wooden clock and the records show that he and his brother Benjamin made brass clocks in 1760.
Americanized form of German Rittinghaus: habitational name from a farm near Altena, Westphalia. History: William Rittenhouse (1644–1708) was the first Mennonite preacher in North America. He was born in the Rhineland, Prussia (Germany) and worked as a papermaker in Amsterdam, emigrating to PA in 1688 and establishing the first paper mill in America. His great-grandson David Rittenhouse (1732–96) of Philadelphia was an astronomer and the first director of the United States Mint.
David Rittenhouse was born April 8, 1732 in Roxborough Township, Philadelphia County. Around the age of 17 he constructed a clock with wooden gears. His father, recognizing his son's potential, helped David build a collection of tools necessary for clock making. After construction was completed on a small workshop at the family's Norriton farm, David began making and selling clocks.
David Rittenhouse was born April 8, 1732 in Roxborough Township, Philadelphia County. Around the age of 17 he constructed a clock with wooden gears. His father, recognizing his son's potential, helped David build a collection of tools necessary for clock making. After construction was completed on a small workshop at the family's Norriton farm, David began making and selling clocks.
David Rittenhouse was born in 1732 and died in 1796. .... He is said to have made his first clock at the age of 17 (1749). This was a wooden clock and the records show that he and his brother Benjamin made brass clocks in 1760.
David Rittenhouse was born April 8, 1732 in Roxborough Township, Philadelphia County. Around the age of 17 he constructed a clock with wooden gears. His father, recognizing his son's potential, helped David build a collection of tools necessary for clock making. After construction was completed on a small workshop at the family's Norriton farm, David began making and selling clocks.
It was at this period, or rather at about the seventeenth year of his age, that he made a wooden clock, of very ingenious workmanship:
David Rittenhouse was born in 1732 and died in 1796. .... He is said to have made his first clock at the age of 17 (1749). This was a wooden clock and the records show that he and his brother Benjamin made brass clocks in 1760.
