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38

Art of Travel.

very great service to him. (See " Measurement of distances to inaccessible places.")

TABLE of Chords to Radius of 1000.

Deg.

i

6 7

8

9

10

11 12 13 14 15

16 17 18 19 20

21 22 23 24 25

26 27 28 29 30

31 32 33 34 35

36 37 38 39 40

41 42 43 44 45

 

Chords. Deg.

Chords. 11 Peg. Chords,

Deg. Chords.

017,

46

781

91

1427

136

1854

035

47

798

92

1439

137

1861

052

48

813

93

1451

138

1867

070

49

829

94

1463

139

1863

087

50

845

95

1475

140

1879

105

51

861

96

1486

141

1885

122

52

877

97

1498 (:

142 1

1891

139

53

892

98

1509 ~~

143 1

1897

157

54

908

99

1521 ~~

144

1902

174

55

924

100

1532

145

1907

192

 

939

101

1543

146

1913

209

57

954

102

1554

I 147

1918

226

I 58

970

103

1565

148

1923

244

59

985

104

1576

149

1927

261

60

1000

105

1 1587

150

1932

278

61

1015

106

1591

15

1936

296

62

1030

107

1608

1.52

1941

313

63

1045

108

1618

I 153

1945

330

64

1060

109

1628

154

1949

347

I 65

1075

110

1638

155

1953

364

66

1089

111

1648

156

1956

382

67

1104

112

1658

157

1960

399

68

1178

113

1668

158

1963

416

69

1133

114

1677

159

1967

433

70

1147

115

1687

160

1970

450

71

1161

116

1696

161

1973

467

72

1176

117

1705

162

1975

484

73

1190

118

1714

163

1978

501

74

1204

119

1723

164

1981

518

75

1218

120

1732

165

1983

534

76

' 1231

1 121

1741

j 166

1985

551

77

I 1245

122

1749

;   167

1987

568

78

j 1259

123

1758

168

1989

585

79

1272

124

1766

169

1991

601

I 80

1286

125

1774

170

1993

618

81

1299

126

1782

171

1994

635

82

1312

127

1790

172

1995

651

83

1325

128

1798

173

1996

668

' 84

1338

129

1805

174

1997

684

85

1351

130   1813

175

1998

700

86

1344

131   1820

176

1999

717

87

1377

132   1827

177

1999

733

88

1389

133   1834

178

2000

749

89

1402

134   1841

179

2000

765

90

1414

135   1848

180

2000

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