Invention Log Files
Invention Timeline - Henry Augustus Rowland, American Scientist; Determined the Mechanical Equivalent of Heat and Discovered Concave Gratings
b. November 27, 1848 and d. April 16, 1901 American scientist. Professor at Johns Hopkins University. His principal discoveries were the magnetic action due to electrical convection, the exact determination of the mechanical equivalent of heat, the discovery of concave gratings and the machine for ruling by which the analysis of the solar spectrum was revolutionized. [...]
b. November 27, 1848 and d. April 16, 1901 American scientist. Professor at Johns Hopkins University. His principal discoveries were the magnetic action due to electrical convection, the exact determination of the mechanical equivalent of heat, the discovery of concave gratings and the machine for ruling by which the analysis of the solar spectrum was revolutionized. [...]
Invention Timeline - Anders Celsius, Swedish Astronomer; Introduced the Centigrade or Celsius Thermometer in 1742
b. November 27, 1701 and d. April 25, 1744 Swedish astronomer. In 1736 he was selected by the French government to assist in the measurement of the length of a degree in Lapland. He introduced in about 1742 the Centigrade or Celsius thermometer. I can is a hero, the first in the field; Tho’ others may falter he [...]
b. November 27, 1701 and d. April 25, 1744 Swedish astronomer. In 1736 he was selected by the French government to assist in the measurement of the length of a degree in Lapland. He introduced in about 1742 the Centigrade or Celsius thermometer. I can is a hero, the first in the field; Tho’ others may falter he [...]
Invention Timeline - Benjamin Huntsman, English Mechanic and Inventor; Invented the Cast-Steel
b. ? 1704 and d. ? 1776 English mechanic and inventor of cast-steel. He was bred to a mechanical calling and became celebrated for his expertness in repairing clocks, in making and repairing locks, smoke-jacks, roasting-jacks and other articles requiring mechanical skill. He practiced surgery with dexterity. He introduced several improved tools but was much hindered [...]
b. ? 1704 and d. ? 1776 English mechanic and inventor of cast-steel. He was bred to a mechanical calling and became celebrated for his expertness in repairing clocks, in making and repairing locks, smoke-jacks, roasting-jacks and other articles requiring mechanical skill. He practiced surgery with dexterity. He introduced several improved tools but was much hindered [...]
Invention Timeline - W. G. Armstrong, English Inventor; Invented the Hydro-Electric Machine and of the Gun which Bears His Name
b. November 26, 1810 and d. December 27, 1900 English inventor of the hydro-electric machine and of the gun which bears his name. 1856 he was appointed engineer-in-chief for rifled ordnance and superintendent of the foundry at Woolwich. Then towns he quickened by mechanic arts, And bade the fervent city glow with toil; Bade social commerce raise renowned marts, Join [...]
b. November 26, 1810 and d. December 27, 1900 English inventor of the hydro-electric machine and of the gun which bears his name. 1856 he was appointed engineer-in-chief for rifled ordnance and superintendent of the foundry at Woolwich. Then towns he quickened by mechanic arts, And bade the fervent city glow with toil; Bade social commerce raise renowned marts, Join [...]
Invention Timeline - Lewis Morris Rutherford, American Physicist; Discovered the Use of the Star-Spectroscope to Show the Exact State of Achromatic Correction in an Object Glass, Particularly for the Rays Used in Photography
b. November 25, 1816 and d. ? American physicist. He discovered the use of the star-spectroscope to show the exact state of achromatic correction in an object glass, particularly for the rays used in photography. He constructed a micrometer for the measurement of astronomical photographs, for use upon pictures of solar eclipses or transits, and upon [...]
b. November 25, 1816 and d. ? American physicist. He discovered the use of the star-spectroscope to show the exact state of achromatic correction in an object glass, particularly for the rays used in photography. He constructed a micrometer for the measurement of astronomical photographs, for use upon pictures of solar eclipses or transits, and upon [...]
Invention Timeline - Andrew Carnegie, American Manufacturer; He Established a Rolling Mill
b. November 25, 1835 and d. ? American manufacturer. He was one of the first to read telegraphic signals by sound. Associated with others, he established a rolling mill and from this has grown the most extensive and complete system of steel and iron industries ever controlled by an individual. He is a frequent contributor to [...]
b. November 25, 1835 and d. ? American manufacturer. He was one of the first to read telegraphic signals by sound. Associated with others, he established a rolling mill and from this has grown the most extensive and complete system of steel and iron industries ever controlled by an individual. He is a frequent contributor to [...]
Invention Timeline - David Stanhope Bates, American Engineer; Designed and Superintended the First Aqueduct at Rochester
b. June 10, 1777 and d. November 24, 1839 American engineer. In 1818-1824 he was an engineer of the Erie Canal; the first aqueduct at Rochester was designed and superintended by him; 1825-1829 he was engineer of the canal system of Ohio and chief engineer of the Louisville and Portland Canal; in 1829 he was chief [...]
b. June 10, 1777 and d. November 24, 1839 American engineer. In 1818-1824 he was an engineer of the Erie Canal; the first aqueduct at Rochester was designed and superintended by him; 1825-1829 he was engineer of the canal system of Ohio and chief engineer of the Louisville and Portland Canal; in 1829 he was chief [...]