—Radius of, 113 V Vector, co-variant, 69 —contra-variant, 69 Velocities, addition theorem of, 38 Viscous compressible fluid, 22 W Weyl, 73, 99, 104 PRINTED IN GREAT BRITAIN AT THE UNIVERSITY PRESS, ABERDEEN TRANSCRIBER'S NOTES This ebook was produced using OCR text provided by Northeastern University's Snell Library through the Internet Archive. Minor typographical corrections and presentational changes have been made without comment.