17 O. 2 2g° 9' 10.'0 229° 9-5 Magnet. Mire. (Mark.) o 18 4i- 5 19° 27. 0 19 4- 25 I 8o° 4/0 48° 51 '5 Ch. ©1 6* 14“ 26/4 17“ 46/0 6A 16m 6/2 II 79 36.7 48 52 O !© 16 50.0 20 15.0 18 32-5 79 50. 35 48 51 75 U' ' + 6 17 19-35 A = ■ N 143° 32. '75 E. 5i 20. 4 Mire 48 5i. 75 t 77‘ 8™ 39-75 N. P. 265 19. O a N 66° 32. 5 W Magnet 259 50. 35 — 180° O 19 4. 25 Decl. 5° 28. '6 AY. N.- p. 85° 36; '75 O. 229 9. 5 A. N 143° 32. 75 E. Horizontal-Intensitet'. Svingnings-Observation. 1878. Juli 9. Kl. 5.40 Min. til 5.52 Min. Eft. ta -- 55.°7; - 5.’0660; s = 7/0; a = 76'; «' = 19'; w = 2/49. C. AVille. Afbpjnings-Observation. 1878. Juli 10. Kl. 12.45 Min. til 1.30 Min. Eft. t„ = 64.°9; UQ =: 37° 22' 9"; u„' = 15° 54' 10". C. Wille. Resultat: P = 0.01896; in - 0.7627;» X = 2.5484. InkUnation. 1878. Juli 10. Kl. 10.45 Min. til 11.55 Min. Form. Naal No. 1. C. Wille. It — 76° 54.'25. Horizontal Intensity. Observation of Vibration. 1878. July 9: — 5.40 p. m. to 5.52 p. m. - ta = 55.°7; T0 - 5.'0660; s = 7/0; « = 76'; a' = 19'; u = 2.'49. C. Wille. Observation of Deflection. 1878. July 10: — 12.45 p. m. to 1.30 p. m. t„ = 64.°9; u0 - 37°' 22' 9"; u0' = 15° 54' 10". C. Wille. Result: — P - 0.01866; m = 0.7627;1 X = 2.5484. Inclination. 1878. ' July 10: — 10.45 a. m. to 11.55 a. m. Needle No. 1. C. Wille. H — 76° 54.'25. 8. Varde. cp = 70° 22' 24" l — 31° 7' 51" E. Greenwich. Paa Fsestningen Yardohus’s Glacis. 170 Meter Nord for Esestningens Midtpunkt. Horizontal-Intensitet. Svingnings-Observation. 1878. Juni 26. Kl. 1.4 Min. til 1.13 Min. Eft. t0 = 50.°4; T„ = 5/0418; s — 8/0; a = 72'.; a' — 28';. m = 4/08. C. Wille. Afbojnings-Observation. 1,878. Juni 26. Kl. 5.10 Min til 6.5 Min. Eft. ta = 47/8; u0 = 37° IP l2"; u0' = 15° 48' 30". C. Wille. Resultat: P = 0.02259; in = 0.7616 X = 2.5737. InkUnation. 1878. Juni 26. Kl. 10.40 Min. til 11.37 Min. Form. Naal'No. 1. C. Wille. 6 = 76° 52/4. 1 Magneten var i 18T8 opmaguetiseret. 8. Varde. y = 70° 22' 24" A = 31° 7' 51" E. Greenwich. The glacis of Yardohus. 170 metres north of the centre of the fortress. Horizontal Intensity. Observation of Vibration. 1878. June- 26: — 1.4 p. m. to 1:13 p. m' ta = 50/4; T0 = 5/0418; s = 8/0; a = 72'; a' = 28'; u = 4/08. C. Wille. Observation of Deflection. 1878. June 26: — 5.10 p. m. to 6.5 p. m. ta - 47/8; ua = '37° IP 12"; uB‘ = 15° 48' 30". G. Wille. Result: — P = 0.02259; .m = 0.7616; X = 2.5737. Inclination. 1878. June 26. 10.40 a. m. to 11.37a.m. Needle No. 1. C. Wille. b = 76° 52/4. 1 The Magnet had been re-magnetised in 1878. Den norske Nordhavsexpedition. C. Wille: Magnetiske Observationer. 3

(1) Front Board
(2) Front Board
(3) Front Flyleaf
(4) Front Flyleaf
(5) Page [1]
(6) Page [2]
(7) Page [3]
(8) Page [4]
(9) Page 1
(10) Page 2
(11) Page 3
(12) Page 4
(13) Page 5
(14) Page 6
(15) Page 7
(16) Page 8
(17) Page 9
(18) Page 10
(19) Page 11
(20) Page 12
(21) Page 13
(22) Page 14
(23) Page 15
(24) Page 16
(25) Page 17
(26) Page 18
(27) Page 19
(28) Page 20
(29) Page 21
(30) Page 22
(31) Page 23
(32) Page 24
(33) Page 1
(34) Page 2
(35) Page 3
(36) Page 4
(37) Page 5
(38) Page 6
(39) Page 7
(40) Page 8
(41) Page 9
(42) Page 10
(43) Page 11
(44) Page 12
(45) Page 13
(46) Page 14
(47) Page 15
(48) Page 16
(49) Page 17
(50) Page 18
(51) Page 19
(52) Page 20
(53) Page 21
(54) Page 22
(55) Page 23
(56) Page 24
(57) Page 25
(58) Page 26
(59) Page 27
(60) Page 28
(61) Page 29
(62) Page 30
(63) Page [1]
(64) Page [2]
(65) Page 1
(66) Page 2
(67) Page 3
(68) Page 4
(69) Page 5
(70) Page 6
(71) Page 7
(72) Page 8
(73) Page 9
(74) Page 10
(75) Page 11
(76) Page 12
(77) Page 13
(78) Page 14
(79) Page 15
(80) Page 16
(81) Page 17
(82) Page 18
(83) Page 19
(84) Page 20
(85) Page 21
(86) Page 22
(87) Page 23
(88) Page 24
(89) Page 25
(90) Page 26
(91) Page 27
(92) Page 28
(93) Page 29
(94) Page 30
(95) Page 31
(96) Page 32
(97) Page 33
(98) Page 34
(99) Page 35
(100) Page 36
(101) Illustration
(102) Illustration
(103) Illustration
(104) Illustration
(105) Illustration
(106) Illustration
(107) Illustration
(108) Illustration
(109) Illustration
(110) Illustration
(111) Illustration
(112) Illustration
(113) Illustration
(114) Illustration
(115) Illustration
(116) Illustration
(117) Rear Board
(118) Rear Board
(119) Spine
(120) Fore Edge
(121) Scale
(122) Color Palette