ORRERY. 
Argument. Equation. Argument. Equation. 
Apogee 0° Oo! Perigee 0° of 
41 513 4 0 36 53-1 4 0 
48 19.5 4 30 42 43.6 pee 
55 339 5 ° 49 19-9 
64 7-1 2 3° 57 154 $30 
94 45-7 ro) 68 16.4 fo) 
94. O 6 18 31".6 86 o 6 18 31.6 
Tas_xy V. For the Moon’s mean heliocentric Latitude. 
Argument Latitude. 
ode o° oo! 
2° 47./2 Oo 15 
5 349 2 3° 
3 23.3 o 45 
II 12.9 IO 
14 4.0 I 1s 
16 57.6 1 30 
1Q 53-7 a>) 
22 53.2 2 0 
25 «50.7 2 15 
29 5.1 2 30 
37 493 2 45 
35 41-7 3. @ 
39 (11.0 3 15 
42 52.5 3 30 
46 47.8 3 45 
sr 1.8 4 a 
55 414 4 15 
60 59-4 4 30 
67 22.6 4 45 
76 18.1 5 0 
go o 5 8 48."9 
E VI.—Table for graduating the Moon’s hori- 
rontal Parallax to the mean Excentricity of .o55, &c. 
Argunent. Moon's Argument, Moon’s Argument. Moo n’s 
—, | Horiz, FO, *dsCHnizn [D) oriz. 
Vioon’s true Moon’s true Moon's true | parallax. 
rorealy, Paiallax. Anomaly. Parallax. A iy. Pax ll 
s ° | 4 s j U s y U 
O. o of 54.0 fII. rr 20 56.2 fIITI. 22 18) 58.4 
9 oO] 54.1 13 20] 56.3 24 20) 58.5 
17 O} 54.2 15 20 56.4 26 20] 58.6 
22 30! $4.3 17 10) 56.5 28 20] 58.7 
27° O| 54.4 18 54 56.6 IV. o 22] 58.8 
fF. © 36) 54.5 20 42) 56.7 2 42| 58.9 
4 O| 54.6 - 22 30] 56.8 4 52] 59.0 
7} 54-7 24 18} 56.9 7 6} 59.1 
Io oO} 54.8 26 6) 57.0 9 22] 59.2 
12 52| 54.9 28 2) 57.1 II 36| 59.3 
15 451 55.0 III, 0 of 57.2 14 8{ 59.4 
18 14} 55.1 1 48) 57.3 16 42| 59.5 
20 42) $5.2 3 36 57-4 19 30] 59.6 
22 50) 55-3 5 24 57-5 22 30) 59-7 
25° O} 55:4 7 312) 57-6 25 30) 59.8 
27 81° 55-5 9 9 57-7 28 48| 59.9 
29 15) 55.6 10 48) 57.8 |V 2 24| 60.0 
II. 1 23) 55.7 12 40] 57.9 6 45| 60.1 
3 20] 55.8 14 35| 58.0 12 0| 60.2 
5 20) 55.9 16 30} 58.1 1g 30] 60.3 
7 20] 56.0 18 21] 58.2 27 0! 60.35 
9 20] 56.1 20 12) 58.3 4VI. 0 0} 60.35 
TasLe VII.—For graduating the Moon’s mean ace 
Diameter, the Excentricity being .o55, 
Moon’s | Moon’s { Moon’s { Moon’s | Moon's | Moon's 
Horiz oriz. Horiz. oris, Horiz. Horiz. 
Paral Diam. Paral Diam. Paral. Diam. 
j ‘ i } t 4 
54.00 | 29.47 56.18 | 30.9 58.36 | 32.1 
54.18 | 29.8 56.36 | 31-0 | 58.54 | 32.2 
54-36 | 29.9 | 56.54] 31.1 | 5872 | 32.3 
54.54 | 30.0 56.72 | 31.2 s89r | 324 
54-72 | 301 56.91 | 31-3 59-09 | 325 
54-91 | 30.2 57-09 | 31-47] 59.27 | 32.6 
55-09 | 303 57-27 | 395 59:45 | 32-7 
55-27 | 304 | 57-45 | 3:6 | 59.64 | 32.8 
55-45 | 30-5 | 57-64 | 31-7 | 59.82 | 32.9 
55-64 | 30.6 57.82 | 31.8 60.00 | 33.0 
55-82 | 30.7 58.00 | 31.9 60.18 | 33.1 
56.00 | 30.8 58.18 | 32.0 60.36 | 33.2 
Taste VIII. Equations of the mean high Tides. 
Diftance of; Pe-igee of Mean Dift| Apogee of 
© to ¢. C. of ¢. ¢. 
Argument, | Equation. Equation. Equation. 
0° + 18" + 22™ + 2757 
10 94 11% 14 
20 re) — oO —- o 
30 92 11g 14 
40 18 22 ant 
50 26 319 392 
6o 33 40 5° 
70 375 45 56 
80 38% 404 58 
go 333 405 503 
100 21 25 31 
IIo + 0 + 0 + 0 
120 21 25 I 
130 33% 40% 503 
140 38% 405 58 
150 372 45 56 
160 33 40 50 
170 20 31% 393 
180 18 22 275 
e 1X. of Planetary Machines, we have given the 
eight sie properly eae from thefe eight tables, 
ari 
will be given 
under our article PrANeTAnion, where it is hoped we fhall 
» Redification of. ery has heretofore 
been confidered as a machine, lage only for gener sie 
illuftration, and in its former unimproved ftate its power. 
were certainly very limited, both as to accuracy and oe. 
but in the hands of a fkilful inftru€tor, the improved orreries, 
which, for the firft time, we have now prefented to the 
{cientific world, are capable of explaining, with confiderable 
minutenefs, the principal phenomena of the Copernican 
412 fyftem, 
