Star Identifier and Diagrams for the Graphical Solution of Problems in Nautical Astronomy. By J. E. McGegan. (London: The London Name Plate Manufacturing Co., and J. D. Potter, 1916.) Price 10 s ...

One of the principles of neurographics says: ‘Every problem has a graphical solution.’ That is, it is enough to present your problem on a sheet of paper using graphic symbols and transform it ...

A distinctly good feature of the book is the number of examples requiring graphical solutions, which cannot fail to impress upon the student the advantages gained by plotting curves.