540099-1905-Report-of-the-Director-of-the-Observatory-for-1904 — Page 3

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746

THE HONGKONG GOVERNMENT GAZETTE, 2ND JUNE, 1905.

Table 1,-Continued.

Number.

Square Jan. Feb. March. April.

May.

June.

July. August. Sept. Oct.

Nov.

Dec.

62 63

1,989

1,942

2.195

2,142

2,312

2,371

2,217

2,241 2.272 2,177

2,076

2,017

36

48

54

55

63

81

64

69

63

76

48

42

ཎྜ

76

127

58

118

25

36

42

46

39

83

158

106

92

88

150

59

119

19

28

25

38

53

146

116

93

70

120

41

66

7

27

4

27

37

57

94

אן!

94

71

63

84

103

70

98

74

38

34

21

160

71

95

101

128

77

114

103

65

97

80

71

106

85

141

2.219

2.027

2,090

2,052

2,398

2,342

2,435

2,318

2,111

2,297

2,137

2,065

97

951

952

1,124

979

1,002

1,123

1,096

1,086

1,100

1,145

1.169

1,063

98

312

291

292

324

389 385

417

419

401 404

401

355

127

206

93

160

136

98 142

173

151

184

181

150

133

128

232

116

173

158

133

184

203

222

209

233

185

168

129

272

139

236

233

167

234

224

258

247

252

261

219

130

689

511

626

571

677

692

779

764

581

714

753

654

131

608

541

571

607

638

688

774

900

587

605

616

522

132

1,880

1,710

2,237

2.614

2,949

3,023

3,304

3,034

2,765

2,788

2,663

1,944

133

128

121

162

185

184

138

139

165

134

20

163

216

191

208

280

257

302

294

332

255

280

270

182

164

357

239

320

397

847

477

425

476

429

408

380

263

165

406

259

318

363

442

480

483

505

460

398

431

317

166

136

81

116

126

149

159

173

145

191

167

139

117

167

19

17

21

64

86

127

162

166

103

76

168

12

12

7

14

169

170

199

73

70

74

59

200

12

201

2

202

203

2

1

318

21

15

19

319

43

27

10

2

30

33

320

7

26

51

21

10

30

10

321

1

0

14

19

15

2

17

22

22

15

322

45

44

66

95

70

102

79

99

89

91

74

323

486

273

378

249

267

212

344

253

275

276

326

356

324

479 355

247

181

100

123

216

202

330 447

522

453

325 326

416

335

385

494

466

540

668

702

756

580

437

398

0

0

0

21,536 18,927 21,351 21,443 22,893 23,811 | 25,715 |25,483 23,543 | 24,813 23,820 | 21,015

9. As stated in the "Instructions for making Meteorological Observations, etc." meteorological instruments forwarded by observers, who regularly send their registers to the Observatory, are verified here free of cost. During the past year 7 aneroids and 2 thermometers were verified. In addition, several hundred barometers and aneroids on board ship were compared with our standard.

10. Professor HECKER of the International Geodetic Institute, Potsdam, visited the Observatory for the purpose of making an accurate determination of the constant of gravity, remaining from November 9th to November 25th. The magnetic hut was placed at his disposal for this work.

11. In 1904 the number of transits observed was 1,411. The axis of the transit instrument was levelled 262 times, and the azimuth and collimation errors, which are less liable to variation, were determined 17 times by aid of the meridian mark. These observations have been made either by Mr. PLUMMER or by myself, and have been already printed in the "Observations made in 1903." All the transits of southern stars have been reduced and a very accurate catalogue of right-ascensions of southern stars has been printed as an appendix to "Observations made in 1908." They are so distributed as to afford a star every minute for determining the time, and the proper motions of these stars have also been deter-

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