American mechanic Charles Strite of Stillwater, MN, USA developed the pop-up toaster Continue reading
Tag: 1919
Francis William Aston
Francis William Aston FRS (1 September 1877 – 20 November 1945) was an English chemist and physicist who won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole number rule. Continue reading
Invention of the Mass Spectrometer
Joseph John Thomson invented the mass spectrometer or parabola spectrograph in Cambridge, England in 1913. Continue reading
Mass Spectrometer Analyzes Neon
A mass spectrometer analyzed neon atoms and found the natural element was composed of two isotopes, neon 20 and 22 by Francis William Aston, Continue reading
Alexander Graham Bell
Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company (AT&T) in 1885. Continue reading
Hydrofoil Boat Designed by a Helicopter Pioneer
The experimental hydrofoil boat was designed by Enrico Forlanini, an Italian helicopter and airship pioneer in 1905. Continue reading
Motorized trailer to be commercially produced
Eccles Motor Transport Ltd., Birmingham, England, in 1919, began to commercially produce a Motorized trailer, with mahogany panel, it would slept two people and be equipped with a rudimentary kitchen. Continue reading
Albert Einstein
Albert Einstein (/ˈaɪnstaɪn/; German: [ˈalbɛɐ̯t ˈaɪnʃtaɪn]; 14 March 1879 – 18 April 1955) was a German-born theoretical physicist. He developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). Continue reading
Scientific proof of the general theory of relativity
Scientific proof of the general theory of relativity was obtained during the total eclipse of the sun in 1919. Continue reading
Roadside telephone for motorist assistance
The Royal Automobile Club of Great Britain in 1919, installed roadside telephone for motorist assistance. Continue reading