WHEN our Civil and Military Engineering Examinations are daily making larger demands for geometrical proficiency a new and exceedingly lucid Note-book on Descriptive Geometry comes well-timed. Though ...

The use of the overhead projector (OP) as a teaching aid has spread very rapidly and widely and is recommended by educators, but its effectiveness in general and in specific subjects has not been ...

THIS text-book of modern projective geometry forms an admirable introduction to the subject, and should be known to all who are interested in this branch of mathematics. The first chapter deals with ...