The America you see above is a proud country. Its northwestern border is arched like a subtly confident grin. The scrawl from Minnesota to Maine looks like a doctor's confident signature. East and ...

Cartography consists of the flat, simplified and conventional geometric representation of the earth's surface, presented in the form of maps, charts or blueprints. Because it is a two-dimensional ...

THIS book has only recently met our notice; it consists of a series of twenty-nine propositions deriving proofs of many of the chief properties of the ellipse by the method of circular projection. We ...