INDEX TO DEFINITIONS. 



The Numerals refer to the Numbers of the Paragraphs. 



SKCT. 

 \ Absolute Principal Screws of Inertia, . . . . . . .105 



! Amplitude of a Twist, . . ... / . . .. . . 5 



Co-cylindroidal Screws, ..... . . , . . 99 



( Conjugate Screws of Inertia, ....... . 48 



, Conjugate Screws of the Potential, ....... 66 



Co-ordinates of a Screw, ......... 33 



Co-ordinates of a Screw belonging to a given Screw Complex, . . 59 



Co-ordinates of a Twist, ...... .. ... 32 



'Co-ordinates of a Wrench, - . ...... , . ib. 



I Co-reciprocal Screws, -' . . . . . . . ',. . 31 



! Cylindroid, . . . . . . . . . 15 



'Ellipse of Inertia, ...... ... . . no 



'Ellipse of the Potential, '. . . . . ' . . . . 112 



Ellipsoid of Inertia, . . . . . . . ... 135 



Ellipsoid of the Potential, . . . . .140 



Freedom of the n th Order, ......... 43 



Harmonic Screws, . . ..... . . . 74 



.Impulsive Cylindroid, .......... IO 6 



Impulsive Screw, .......... 47 



Impulsive Wrench, .......... 45 



Instantaneous Cylindroid, ......... ,05 



Instantaneous Screw, .......... 4 



^Intensity of a Wrench ........... 6 



- 



inetic Screw Compl 



