NEW BOOKS OF THE WEEK
... L3amb-Essayvs of Elia (Scoond t} Series). Edited by N. L. Hallward, M1.A.- 3 Workshop Matlhematics. Parts I. and II. a By Frank Castle, M.I.M.E. (London: Mac- d tman & Co.) fl SCIENTIFIC. Pi-UOiOOPHIC, AND ?I TECRNICAL i. TheTheoryand Prantica of Navigation ...