| He has a Parisian optician produce hyperboloidal lenses for a demonstration, but the lenses are a failure. |
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| The focus of this dissertation is the small free vibration of thin elastic hyperboloidal shells of revolution. |
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| Initial data are prescribed on the blue parts, i.e. on a hyperboloidal hypersurface and the part of which is in its future. |
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| For general hyperboloidal gears, let us now calculate and in the same way in terms of the velocity ratio. |
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| These members complete the hyperboloidal structural connections to make the new structural principle operate. |
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