Key to Davidson's system of practical mathematics : containing solutions to all the exercises in that work /
Davidson, John(Schoolmaster of Burntisland)
Edinburgh : Printed for Bell & Bradfute ... Longman, Rees & Co.; Whittaker & Co.; Simpkin & Marshall; and James Duncan, London,
[18--]
Printer named on t.p. verso: Edinburgh : Printed by James Walker.
First 2 leaves contain t.p., name of printer and table of contents (verso blank). P. [122] contains errata.
Davidson, John (Schoolmaster of Burntisland).
Mathematics