IT is very satisfactory to find that at the present time care is being taken that the principles of map projection are being studied as soon as the use of maps is seriously undertaken. At one time ...

THIS wall map is constructed on a conical projection on a scale of 1: 3,200,000, or 50.5 miles to an inch. It is provided with an inset map of the Philippines on a scale of 1: 7,500,000. The ...