The Letter Of Peregrinus

rated and that water cannot enter ; they should be made of light wood and fastened with cement suited to the purpose. Having done this, place them in a large vessel of water on the edges of which the two parts of the world, i. e., the north and south points, have been found and marked. These points may be united by a thread stretched across from north to south. Then float the capsules and place a smooth strip of wood over them in the manner of a diameter. Move the strip until it is equally distant from the meridian-line, previously determined and marked by a thread, or else until it coincides therewith. Then mark aline on the capsules according to the position of the strip, and th is will indicate forever the meridian of that place. Let this line be divided at its middle by another cutting it at right angles, which will give the east and west line ; thus the four cardinal points will be determined and indicated on the edge of the capsules. Each quarter is to be subdivided into 90 parts, making 360 in the circumference of the capsules. Engrave these divi-

Saving Power, Saving The World

Saving Power, Saving The World

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