Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials. On plain and easy principles. With several miscellaneous articles, and new tables. I, for expeditiously computing the time of any new or full moon within ... 6,000 years before and after the 18th century ... II. For graduating and examining the usual lines ... To which is prefixed, a short account of the life of the author / by James Ferguson.

James Ferguson

Date:: 1778

Credit: Select mechanical exercises: shewing how to construct different clocks, orreries, and sun-dials. On plain and easy principles. With several miscellaneous articles, and new tables. I, for expeditiously computing the time of any new or full moon within ... 6,000 years before and after the 18th century ... II. For graduating and examining the usual lines ... To which is prefixed, a short account of the life of the author / by James Ferguson. Source: Wellcome Collection.

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$% SELECT EXERCISES. 141 ———~ | ete | ann | ee J | Se 1756128 13 S4j2zto|tlol}13 19 321195)277 178;|17 22 42/199] S9I| 3. 4° 2041841227 [. 1788} 6 7 314188] g}i2t 1 $3)203)202 1789/25 § 31207/345}/10 10 41} 192/152 17g0}14 13. §2]196]295];29 8 14] 211)128 1791] 3. 22 4111851245||18 17 3)200|'78 L. 1792}21. 20 13]204|220]| 7 1 §1]|189) 28 1793/11 5 2)193)170}|25 23 24)208) 3 1794] © £3 58f182i[t20};15 8 13)1971313 1795|19 11 23/201] 95]) 4 17 141861263 L. 1796| 7 20 12/190) 45]122 14 , 3412041238 1797|26 17 441208] 21];1t 23 22/193}188 - 4798|16. 2 33)1971331}) 1 8 . 11) 1821138 1799] 5 It 22{186/2811)20 § 44/201}114 C. 1800}24 8 §442051/256]1 9 14 32,190] 63 TABLE Ill. Mean Lunations. on i ar S Dp. bh. m.| A | Bt} Months. Days. rf 29°12 44| Zo] 26 for Subt. 2 59 1 28] 58] 52 January - © =o Ape iy. FS) S797 February - - 311 © 4 {118 2 56|116}103|{March - = go] 5 147 15 40/146] 129]/April ~ - = go} g 61177 ° 4 «24/175)155||May - - - 120] > 4 1206 17 8l2o4]181}\June - = = I5a] 2 8 $236 5 52)233)207|\July = - = 181} & 9 |265 18 36/262/232])Auguit - - 212] 3 10 1295. 7 20/291]2581|September - 243| © 11 {324 20 §)320}284]/O&ober - -- 273] & 12 1354 8 491340}31¢];November - 304 —13:1383 21 331 18}{336]}December ~ 334 gerne A TE OEE OLE LL LL ELLE LSE SS In Leap yeas, in January and February, add’ a. ed to the time found by thele Tables. . eeree ee$

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