THE appearance of a school edition of “Euclid's Elements,” published under the auspices of the Cambridge University Press, provokes reflections upon the strange position so long maintained in ...

a system of geometry worthy of the name, which has any material departures (we do not speak of corrections or extensions or developments) from the plan laid down by Euclid.” In 1908, when that ...

These introduced Euclid’s practice of the tractor and scraper having different model numbers. Bottom-dump and side dump prototypes were also tried. Though the 1940 designs looked modern, they were ...