In horology, the company Jean Lassale designed a watch movement that used ball bearings to reduce the thickness of the movement.
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Barden Corporation is a ball bearing manufacturer based in Danbury, Connecticut, USA with factories in Danbury, Winsted, Connecticut and in Plymouth, England.
Throughout combat, engaged primarily in bombardment of strategic targets, including marshalling yards at Frankfurt, aircraft assembly plants at Regensburg, aircraft component works at Kassel, the ball-bearing industry at Schweinfurt, a synthetic rubber plant at Hanover, and oil installations at Bohlen.
Received a Distinguished Unit Citation for a mission on 2 April 1944 when the group contributed to Fifteenth AF’s campaign against enemy industry by attacking a ball-bearing plant at Steyr.
Specific targets included a chemical plant in Ludwigshafen, an aircraft assembly plant in Brunswick, ball-bearing plants at Schweinfurt and Leipzig, synthetic oil refineries at Merseburg and Gelsenkirchen, marshalling yards at Hamm and Reims and airfields in Mesnil au Val and Berlin.
After that, the group attacked such strategic objectives as the port of St Nazaire, shipyards at Kiel, an aircraft component parts factory at Kassel, a synthetic rubber plant at Hanover, a chemical factory at Ludwigshafen, marshalling yards at Frankfurt, oil facilities at Merseburg, and ball-bearing works at Eberhausen.
On 17 August 1943 the unit was one of those who intercepted American bomber forces attacking the Messerschmitt factory in Regensburg and the ball bearing plants in Schweinfurt.
It was engaged primarily in bombardment of strategic targets, including the marshalling yards at Frankfurt, aircraft assembly plants at Regensburg, aircraft component works at Kassel, the ball-bearing industry at Schweinfurt, a synthetic rubber plant at Hanover, and oil installations at Bohlen.
The unit attacked many other significant targets, including aircraft factories in Kassel, Reims, and Brunswick; airfields in Bordeaux, Paris, and Berlin; naval works at La Pallice, Emden, and Kiel; chemical industries in Ludwigshafen; ball-bearing plants in Schweinfurt; and marshalling yards in Brussels, Osnabrück, and Bielefeld.
Arthur Harris, Air Officer Commanding RAF Bomber Command refused to cooperate with the Americans, believing ball bearing targets to be a false "panacea".
May 21: SKF sends in the patent application to PRV for a multi-row self-aligning radial ball bearing.
On 2 April 1944 at about 11 am, an American bomber B-24 Liberator crashed near the village after it was damaged by a German air raid on its return from the bombing of a ball-bearing plant at Steyr (Austria).