Lot 5
LOCK, Rev. J. B. A Treatise on Higher Trigonometry. London: Macmillan and Co. and New York 1889. 12mo, 199pp. Original maroon cloth with gilt lettered spine. Fading to spine and cover, rubbing to corners and edges of spine. Torn stuck library plate to paste down. Third Edition revised. Signed B. N. Wallis  £80-120