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(15) ROLLS-ROYCE PATENTS UNDER WHICH THE "CONDOR" ENGINE IS MANUFACTURED. [[3 Columned Table]] | Description | British. Patent Number and Date | Foreign Patents and Dates | | --- | --- | --- | | Friction Damped Spring Device | 15333/12 1.7.12 | French 459514 - 19.6.13. U.S.A. 1088241 - 24.6.13. Canadian 154188-20.6.13. | | Pipe Clips | 104484 29.11.16 | U.S.A. 1277398 - 20.11.17. | | Compensating Passages in R.R.C-H. Carburetors | 126722 | U.S.A. Application No. 217905-18.2.18. | | Friction Anchorage of Sunwheel | 129381 12.11.17|- - - - - - | | Arrangement of three or more Radial Valves in Part Spherical Cylinder Head. | 130698 18.3.18 | French 496491-5.3.19. U.S.A. Application No. 295327-26.3.19. Canadian 195352-20.3.19. Italy 174851/83-31.3.19. | | Copper-Titanium-Zinc Aluminum Alloy | 153514 25.2.20| French Application No. 140163-16.2.21. U.S.A. Application No. 446115-18.2.21., and others pending. | | Copper-Titanium Aluminum Alloy | 153823 25.2.20 | ------ | | Antimony-Magnesium Titanium Aluminum Alloy | 162467 25.2.20 | ------ | [[/3 Columned Table]] ********************* ROLLS-ROYCE LTD. February, 1922. 763