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Robert Stawell Ball - All screws of a given pitch...
All screws of a given pitch belonging to a system of the third order are the generators of a certain hyperboloid. There is... a different hyperboloid for each pitch. ...all these hyperboloids are concentric. (Robert Stawell Ball)

All screws of a given pitch belonging to a system of the third order are the generators of a certain hyperboloid. There is... a different hyperboloid for each pitch. ...all these hyperboloids are concentric.

Robert Stawell Ball

Related topics

belonging certain concentric different given hyperboloid order pitch system third

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