Frank Julian Sprague (July 25, 1857 – October 25, 1934) was an American inventor who contributed to the development of the electric motor, electric railways...
27 KB (2,904 words) - 15:14, 20 September 2024
housing the winding, further increasing the efficiency. In 1886, Frank Julian Sprague invented the first practical DC motor, a non-sparking device that...
118 KB (13,082 words) - 06:23, 19 October 2024
animal-hauled street railways. The Richmond system was designed by Frank Julian Sprague. After trials in late 1887, it began regular operation on February...
4 KB (406 words) - 05:20, 17 January 2024
Currents and Alternate-Current Motors. London: E. & F. N. SPON. pp. 91–93. Sprague, Frank J. (May 1934). "Digging in the "Mines of the Motors"". Trans. AIEE....
18 KB (637 words) - 22:37, 17 September 2024
France in anticipation of demonstration flights. In France, Wilbur met Frank P. Lahm, a lieutenant in the U.S. Army Aeronautical Division. Writing to...
149 KB (17,363 words) - 23:12, 24 October 2024
John Frank Stevens (April 25, 1853 – June 2, 1943) was an American civil engineer who built the Great Northern Railway in the United States and was chief...
12 KB (1,356 words) - 05:29, 28 June 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
83 KB (8,915 words) - 02:49, 9 November 2024
(posthumous) 1935 Frank Julian Sprague (posthumous) 1936 William Frederick Durand 1937 Arthur Newell Talbot 1938 Paul Dyer Merica 1939 Frank Baldwin Jewett...
9 KB (886 words) - 23:53, 19 September 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
12 KB (1,284 words) - 22:58, 4 September 2024
HEWITT A MEMBER Hudson Maxim, Henry A. Wise Wood, Alfred Craven, and F.J. Sprague Other New Yorkers. NOTED ENGINEERS TO SERVE Chemists, Aeronautical Experts...
20 KB (2,056 words) - 16:29, 23 July 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
8 KB (621 words) - 01:22, 31 May 2024
1893, Modjeski opened his own design office in Chicago. Joined in 1924 by Frank M. Masters Sr., the firm still exists as Modjeski & Masters. Modjeski's...
9 KB (866 words) - 19:57, 8 September 2024
Arcadia Publishing. ISBN 0-7385-1226-5. Middleton, William D. (2009). Frank Julian Sprague: Electrical Inventor & Engineer. Bloomington, IN: Indiana University...
62 KB (7,607 words) - 22:23, 17 October 2024
and allows research visits by appointment. Another library, the Frank Julian Sprague Memorial Library of the Electric Railroaders Association, existed...
252 KB (21,853 words) - 20:30, 4 November 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
42 KB (4,328 words) - 13:26, 9 November 2024
directorship included provision for a research assistant, and he selected Frank Wattendorf, an American who had been studying for three years in Aachen...
38 KB (3,721 words) - 10:31, 3 November 2024
frustrated by delay, and Wallace resigned in 1905. He was replaced by John Frank Stevens, who arrived on July 26, 1905. Stevens' approach was to press ahead...
32 KB (3,401 words) - 17:46, 1 November 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
57 KB (3,047 words) - 10:52, 19 September 2024
"Nomination%20Archive". NobelPrize.org. Retrieved 10 October 2024. Greenaway, Frank (1970–1980). "Hadfield, Robert Abbott". Dictionary of Scientific Biography...
11 KB (1,118 words) - 17:40, 5 November 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
11 KB (1,104 words) - 05:09, 16 July 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
7 KB (874 words) - 20:01, 15 April 2024
South Side Elevated Railroad enlisted Frank Julian Sprague to convert its rolling stock to electrical power. Sprague used his previously untested system...
12 KB (1,086 words) - 22:37, 1 August 2024
Paterson, New Jersey Ephraim Shay, inventor of the Shay locomotive Frank Julian Sprague, "Father of electric traction" in the US, tramway, train safety system...
22 KB (1,572 words) - 22:24, 25 October 2024
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
6 KB (602 words) - 14:31, 26 February 2024
Frank Baldwin Jewett (/ˈdʒuːɪt/; September 5, 1879 – November 18, 1949) worked as an engineer for American Telegraph and Telephone where his work demonstrated...
7 KB (644 words) - 03:38, 31 July 2024
Budd met one of the deans of American railroad civil engineering, John Frank Stevens. Stevens' was already well known for his location of the Great Northern...
11 KB (1,339 words) - 05:37, 7 December 2023
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
6 KB (376 words) - 11:27, 12 October 2023
Robert C. Sprague (August 2, 1900 – September 27, 1991) was the son of Frank J. Sprague and Harriet Sprague. Sprague founded Sprague Electric (originally...
6 KB (607 words) - 15:24, 29 September 2023
(posthumous) 1935 : Frank Julian Sprague (posthumous) 1936 : William Frederick Durand 1937 : Arthur Newell Talbot 1938 : Paul Dyer Merica 1939 : Frank Baldwin Jewett...
7 KB (581 words) - 17:39, 25 September 2024
OCLC 49681301. Middleton, William D.; Middleton III, William D. (2009). Frank Julian Sprague: Electrical Inventor and Engineer. Indiana University Press. ISBN 978-0253353832...
11 KB (929 words) - 21:26, 24 October 2022