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Knox Motors Co. used hydraulic brakes in 1915, in a tractor unit. [1] Malcolm Loughead (who later changed the spelling of his name to Lockheed) invented hydraulic brakes, which he patented in 1917. [2] [3] "Lockheed" is a common term for brake fluid in France.
Center-locking wire wheels with 5" x 33" tires were used front and rear. [6] The Duesenberg Straight Eight was the first production automobile to use Lockheed Corporation Hydraulic brakes on all four wheels. [1] [14] [15] The brakes on the front wheels were 16 inches (410 mm) in diameter and were finned to dissipate heat. The fluid used in the ...
Also in 1919, hydraulic brakes were invented by Malcolm Loughead (cofounder of Lockheed); they were adopted by Duesenberg for their 1921 Model A. [51]: 62 Three years later, Hermann Rieseler of Vulcan Motor invented the first automatic transmission, which had two-speed planetary gearbox, torque converter, and lockup clutch; it never entered ...
Loughead was the son of Flora and John Loughead. [4] He had a half-brother Victor, a sister Hope, and a brother Allan Lockheed. [4]Loughead also patented the first hydraulic brakes in 1917; [5] these were adopted by Duesenberg for their 1921 Model A.
Duesenberg's engineering expertise influenced the development of the automobile, especially during the 1910s and 1920s. He is credited with introducing an eight-cylinder engine, also known as the Duesenberg Straight-8 engine, and four-wheel hydraulic brakes, a first for American cars, in addition to other mechanical innovations. Duesenberg was ...
AP Lockheed disc brake caliper. Automotive Products, commonly abbreviated to AP, was an automotive industry components company set up in 1920 by Edward Boughton, Willie Emmott and Denis Brock, to import and sell American-made components to service the fleet of ex-military trucks left behind in Europe after World War I.
The earliest programmable machines were water-powered devices developed in the Muslim world. A music sequencer , a programmable musical instrument , was the earliest type of programmable machine. The first music sequencer was an automated water-powered flute player invented by the Banu Musa brothers, described in their Book of Ingenious Devices ...
Ancient stone tools from Ethiopia were hand-crafted by Australopithecus or related people. [1] [2] [further explanation needed] 2.3 Mya: Earliest likely control of fire and cooking, by Homo habilis [3] [4] [5] 1.76 Mya: Advanced stone tools in Kenya by Homo erectus [6] [7] 1.75 Mya – 150 kya: Varying estimates for the origin of language [8] [9]