. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 724 THE RAMSDEN DIVIDING ENGINE. Tiie numbers of the tablet are as follows : [Tlio word •' degrees " is usod to ri'preawit the units of the division of 480.) Day of the tuoou. Moon advances. Day of the nioon. Moon advances. Degrees. Degrees. Degrees. | Degrees. 1 5 10 20 40 80 96 112 128 144 160 176 192 16- 16 17 208 192 176 160 144 128 112 96 80 32 23 15 5a\, 32 3 18 48 4 19 64 5 20 21 80 6 96 7 22 112 8 !:::::::;-;;;:?-. 144 9 30 10
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. 724 THE RAMSDEN DIVIDING ENGINE. Tiie numbers of the tablet are as follows : [Tlio word •' degrees " is usod to ri'preawit the units of the division of 480.) Day of the tuoou. Moon advances. Day of the nioon. Moon advances. Degrees. Degrees. Degrees. | Degrees. 1 5 10 20 40 80 96 112 128 144 160 176 192 16- 16 17 208 192 176 160 144 128 112 96 80 32 23 15 5a\, 32 3 18 48 4 19 64 5 20 21 80 6 96 7 22 112 8 !:::::::;-;;;:?-. 144 9 30 10 25 56 11 26 12 12. 26 13 208 28 29 .. 30t 45 14 224 240 15 * The sixteenth day, for 224° of advance, ii becomes obscure and retrogrades, t The thirtieth day the moon is the god Auu. S. 162. OBVERSE. Fig. 1.—Babylonian Planisi'ueke. FRAGMENT OF PLANISPHERE IN THE BRITISH MUSEUM. Figure 1 represents a small fraj^ment of a i)lanisphere in the British Museum (S. IG'J). It contains two compartments, each of which is char-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Smithsonian Institution. Board of Regents; United States National Museum. Report of the U. S. National Museum; Smithsonian Institution. Report of the Secretary. Washington : Smithsonian Institution
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