Practical mathematics
Perry, John
Practical mathematics John Perry - London H.M. Stationery Office 1899 - 127p. diagrams; illus; plates; maps
265439930
Mathematics
510 / PER
Practical mathematics John Perry - London H.M. Stationery Office 1899 - 127p. diagrams; illus; plates; maps
265439930
Mathematics
510 / PER