Lot 34
FORSYTH A. R. A Treatise on Differential Equations. London: Macmillan and Co., Limited 1921. Fifth Edition 8vo, 580pp. Original green cloth with gilt lettered spine. Fading to spine and cover, rubbing to corners and edges, possible rodent damage to edges of cover and spine. Stamped Airship Company Guarantee Company Ltd to book block.  £30-40