Feather, Norman.AN INTRODUCTION TO THE PHYSICS OF MASS, LENGTH & TIME. Edinburgh University Press [United Kingdom]. 1962. (1962). First Edition Hard Cover 1st edition. 358pp. 8vo. 1/4 black boards & an illustration a cloud chamber scatter-pattern in b/w on both covers. Gilt-lettered spine. 13 pages have scattered underlining & some marginal notes, light tanning on the edges of the covers o/w Very Good, i.e. signs of careful use with no significant defects). No dustjacket.