DIA 
Tae III. 
Semi-diameter of the Sun in Siderial and Mean’ ‘Time, 
Month Sun’s true | Siderial Mean ‘Ti Month Sun’s true | Siderial Mean Ti 
_— Longitude.| Time. cf ae a Longitude.| Time, |""“#" *1m¢ 
‘ i] r ut ! “u / Cc 7 uu , ” 
21 March Oo} 1 4.5 I 4.3 23 Sept. VI. of t 4a I 39 
26 5 44 4.2 28 5 4.2 4.0 
I To 4-5 4.2 3 O&. 10 44 Ad 
5 April 15 4-5 43 9 15 47 45, |- 
10 20 4-7 45 14 20 5:1 49 ~ 
T5 25 4-9 4-7 IQ 25 50 5:3 
20 I. o 5 5.0 24 VII. o 6.0 Ce 
25 lL 5 5.6 Bod 29 VIL. 5 6.5 “63 
1 May be) 6.0 5.8 3 Nov. 10 9.1 6.9 
6 15 6.4 6.2 § 15 7.7 75 
II 20 68 6.6 13 20 8 3 “8.1 
16 25 a2 4.0 18 8.8 8.6 
20 IT. fe) 7.6 7.4 22 VIII. o 9-4 9.2 
II. 8 8.0 7.8 29 VIIL 5 9-9 9.7 
1 June 10 8.3 8.1 2 Dec. 10 103 More! 
IL 15 8.5 8.3 7 15 10.7 10.5 
16 20 8.7 8.5 12 20 11.0 10.8 
22 25 8.5 8.6 17 25 II. 10.9. 
22 ITI. cS) 8.9 8.7 22 AIX. o 1542 11.0 
III. 5 8.8 8.6 7 IX. 5 11.1 11.0 
2 July iee) 84 8.5 1 Jan. +10 11,0 10.8 
7 15 8.5 . 8.3 6 15" 10.8 10.6 
13 20 8.2 8.0 iI 20 10,5 10.3 
18 2 78 7.6 16 25 10.1 Q9 
230 IV. eS) rae rie 20 X. o 9.6 94 
S IV. 5 7.0 6.8 25 XX. 5 Q.I 8.9 
3 Aug. fe) 6.5 6.3 re) 10 8.5 8.3 
15 6.1 59 4 Feb. 15 7-9 7 
13 20 $4 55 9 20 7.4 7.2 
18 25 53. set 14 _ 2g 6.8 66 
23 V. ce) 49 4-7 19 XI oo 6.3 61 
9 Vv. 5 4.6 4.4 XL 5 5.8 5.6 
3 Sept 10. 4.3 4.1 1 March 10° 5-4 562 
8 15 4.1 3-9 6 15 Sel 4-9 
13 20 4.0 38. It 20 4.8 4.6 
18 25 4.9 3.8 16 25 4.6 44 
23 vi. re) - 4d 3.9 oe XIT. o 4.5 4-3 
Diameter of @ Column, 1s its thicknefs juft above the 
bafe. From this the oo is taken, which meafures all the 
other parts of theco 
Diameter of ee Dinination is that taken from the top 
of the fhaft. See Diminurion 
Diameter ofthe Swelling, is ; that taken at the height of 
one-third from the bafe. 
AMINTZ, or Dunamunp, in Geography, a town of 
Ruffia, in the government of Riga, on the coaft of the Baltic; 
1z miles N. W. of Riga. 
DIAMIUM, in Ancient Geography, Gianutti, an illand of 
Italy, io the vicinity of that of Igillium 
DIAMOND; Diamant, Fr.; — Germ.. 3. adamas 
of ancient er 
The diamond has from the hatte ser eres con-- 
fidered as the moft valuable. or mo erly, the moft: 
coftly fubftance in nature. The reafon oe te high ee 
in which it was held by the ancients, was its rarity.and its. 
extreme hardnefs; for, the art of cutting and polifhing this 
gem, not having been then invented, its {uperior briliiancy 
and luftre could not be duly appreciated. fhort ace- 
count which Pling (Hilt. Nat. lib. 37. § 15¢) ste of this fub-. 
ene contains more error thau truth: we fhall, however, 
ommence our article by a detail of thefe panicolas, as they - 
connate the whole of the information handed ‘down to ua: 
by the ancients concerning this, the moft precious of all the- 
productions of art or nature. 
The diamond, fays Pliny, is the.moft.coftly poll a 
ns = 
