Lot 100
ROUTH, Edward John. Elementary Rigid Dynamics - The Elementary Part of a Treatise on the Dynamics of a System of Rigid Bodies. London: Macmillan and Co, Limited 1930. 8vo, 443pp. Original blue cloth, gilt lettered spine. Fading to spine and cover, minor rubbing to corners and edges of spine. Initialled B.N.W. 1943  £50-70