An essay on the nature and superior use of globes, [electronic resource] : in conveying the first principles of geography and astronomy to the minds of youth; also a candid examination of the construction and use of planispheres, wherein The Erroneous Nature, and many bad Consequences, attending the Use of the Vulgar Projection are pointed out: and the nature and use of the globular projection, With many New Improvements, Illustrated by a Solution of Several Problems, Explaining the general Principles of Geography and Astronomy, by Way of Introduction to the more ready Use of the Globes. By Benjamin Martin.