28 



Land Magnetic Observations, 1911-13 



AFRICA. 



Algerian Sahara Conchided. 



Latitude 



Long. 

 East 

 of Gr. 



Declination 



Local Mean Time Value 



Inclination 



L. M. T. 



Value 



Hor. Intensity 



L. M. T. 



Value 



Instruments 



Mag'r Dip Circle 



Obs'r 



Takoubaret. Auxiliar>'. . 

 Camp 8 from In-8alah' . 

 Camp 9 from In-Salah' . 

 Camp 10 from In-Salah. 



Taoun Tarak 



Camp 12 from In-Salah' 



Hassi Meniet 



Te.snou 



Camp 16 from In-Salah. 

 Camp 17 from In-Salah^ 

 Camp IS from In-Salah. 



Camp 18 from In-Salah, 



AuxiUary 



Camp 19 from In-Salah' 



In-Amguel 



Camp 21 from In-Salah' 



Tit 



Tit, Auxiliary 



Tamanrasset 



Fort Motylinski 



Talanteidi 



Camp 27 from In-Salah. 



Tegueneouen 



Hassi Amalaouly 



Amselkat 



Camp 31 from In-Salah. 

 Camp 32 from In-Salah. 

 Camp 33 from In-Salah . 

 Camp 35 from In-Salah. 

 Camp 38 from In-Salah . 

 Tadeini 



Camp 44 from In-Salah. 

 Tin-Zaouaten 



25 45.1 N 

 25 3S.3 N 

 25 30.7 N 

 25 20.4 N 

 25 15.8 N 

 25 11.1 N 

 25 01.8 N 

 24 43.1 N 



24 34.3 N 

 24 27.5 N 

 24 14.3 N 



3 25 

 3 32 

 3 32 

 3 37 



3 45 



3 52 



4 19 

 4 39 



4 46 

 4 52 

 4 50 



Jan 

 Jan 

 Jan 

 Jan 

 Jan 

 Jan 

 Jan 



24 14.3 N 

 24 00 N 

 23 41.3 N 

 23 35 N 

 22 58.0 N 

 22 58.0 N 

 22 47.0 N 

 22 40.6 N 

 22 38.0 N 

 22 31.5 N 

 22 19 N 

 22 18.9 N 



22 08.5 N 

 22 00 N 

 21 36 N 

 21 29.5 N 

 21 01.4 N 

 20 28.5 N 

 20 15.4 N 



19 57.3 N 

 19 57.1 N 



4 50 



5 04 

 5 08 

 5 03 

 509 

 509 

 5 28 

 5 49 

 5 28 

 5 20 



4 56 



5 01 



4 49 

 4 43 

 4 35 

 4 36 

 4 11 

 3 28 

 3 11 



2 34 

 2 50 



9,'13 

 12,13 

 13,13 

 14,13 

 15, 13 

 16,13 

 18,13 

 Jan 20, 13 

 Jan 21, 13 

 Jan 22, 13 

 Jan 23, 13 

 Jan 24, 13 

 Jan 25, 13 

 Jan 26, 13 

 Jan 26, 13 

 Jan 27, 13 

 Jan 27. 13 



Jan 24, 13 

 Jan 28, 13 

 Jan 30, 13 

 Jan 31, 13 

 Feb 3, 13 

 Feb 3, 13 

 Feb 5, 13 

 Feb 11, 13 

 Feb 15, 13 

 Feb 16,13 

 Feb 17,13 

 Feb 18, 13 

 Feb 19, 13 

 Feb 21, 13 

 Feb 26. 13 

 Feb 27, 13 

 Feb 28, 13 

 Mar 2, 13 



14.1, 17.1 



13.2, 15.9 

 13.6, 15.6 

 12.8, 15.2 

 13.2, 15.6 



9.8, 16.9 



14.5, 16.9 



11 22.6 W 

 10 35.8 W 



10 56.8 W 



1 1 08.4 W 



10 24.4 W 



11 04.8 W 

 10 18.0 W 



h 

 16.7 

 15.2 

 13.9 

 17.2 

 16.9 

 16.0 

 15.0 



37 06.0 N 

 36 48.2 N 

 36 26.2 N 

 36 23.4 N 

 36 08.9 N 

 35 55.4 N 

 35 30.7 N 



15.0 



13.4, 17.3 

 13.8, 15.8 

 14.2, 16.2 



10 20.3 W 

 10 05.2 W 

 10 15.4 W 



10.2 .... 



12.6 to 

 12.6(dv) 



12.7 



10 16.1 W 



10 14.0 W 

 10 17.2 W 



17.4 .... 



9.8, 11.7 

 16.0 .... 



9.9, 12.9 



Mar 

 Mar 

 Mar 

 Mar 



6,13 

 8.13 

 9,13 

 9,13 



9.7, 14.2 

 9.9, 15.0 

 13.2, 15.5 

 13.4 .... 



17.2 



15.6 



11.3 .... 

 11.8, 16.0, 

 14.0. 16.2 

 17.2 .... 

 13.5, 15.6 

 13.5, 15.6 



13.8, 15.6 



13.9, 16.7 



Mar 14, 13 

 Mar 11, 13 

 Mar 12, 13 



13.9, 16.0 

 14.0, 16.1 



17. 



10 32.6 W 

 10 27.1 W 

 10 43.3 W 

 10 28.8 W 



10 39.4 W 

 10 05.4 W 

 10 21.2 W 

 10 36.0 W 



10 36.5 W 



11 10.7 W 

 11 04.4 W 

 10 33.9 W 

 10 32.0 W 

 10 21.4 W 

 10 41.6 W 



10 38.1 W 



11 08.5 W 

 11 25.2 W 



16.3 



10.1 



34 51.8 N 

 34 34.6 N 

 34 01.6 N 



14.8. 15.8 



13.9, 15.2 



14.1, 15.1 

 13.6. 14.7 

 13.9, 15.1 

 10.4, 11.4 



15.2, 16.1 

 9.8, 11.0 



15.0, 16.0 



14.4, 15.3 



14.8, 15.7 



.30178 

 .30255 

 .30202 

 .30338 

 .30488 

 .30584 

 .30572 

 .30578 

 .30488 

 .30627 

 .30795 



13 

 20 

 13 

 20 

 20 

 13 

 20 

 20 

 13 

 20 

 13 



223.56 

 223.13 

 223.56 

 223.13 

 223.56 

 223.13 

 223.13 



20.12 

 223.13 

 223.56 



13 



13 

 13 



11 14.9 W 

 11 15.2 W 



17.3 



17.2 

 15.6 

 16.1 

 16.2 

 17.4 

 15.4 

 16.3 

 17.3 

 17.2 



34 05.3 N 

 33 41.8 N 

 32 51.9 N 

 32 58.6 N 

 31 44.4 N 

 31 45.6 N 

 31 04.6 N 

 30 52.5 N 

 30 48.6 N 

 30 55.0 N 



10.4, 

 16.5 

 10.9, 



11.3 

 12.3 



.30882 

 .31023 

 .31209 



20 

 20 

 13 

 13 



14.8 

 16.1 



30 41.2 N 

 30 20.5 N 



17.8 



17.4 

 17.6 

 17.2 



29 29.1 N 

 28 57.3 N 

 28 02.8 N 

 27 14.2 N 



8.6 

 9.9 

 17.6 



27 04.7 N 

 27 04.0 N 

 26 15.6 N 



16.8 



26 25.5 N 



10.8, 

 10.6, 

 14.0, 

 14.0, 

 17.6 



11.6 

 11.6 

 15.0 

 15.0 



.31374 

 .31341 

 .31214 

 .31276 

 .31468 



9.7, 10.7 

 10.4, 11.3 

 14.6, 15.7 



.31720 

 .31520 

 .31440 



14.1, 15.1 



14.1, 15.2 



14.4, 15.3 



15.0, 16.2 



.31567 

 .31564 

 .31706 

 .31857 



20 

 20 

 20 

 13 

 20 

 13 

 13 

 20 

 13 

 20 

 13 

 13 

 13 

 20 



20.12 

 223.1 



20.12 



223.13 



223.13 



20.12 



20.12 



20.12 



20.12 



223.13 



223.56 

 20.12 



20.1 

 223.13 

 223.13 

 223.13 



14.6. 15.6 

 14.8. 15.7 



.31646 

 .31761 



20 

 13 



20.12 



20.6 



20.12 



223.13 



DWB 



B&S 



B&S 



B&S 



B&S 



B&S 



DWB 



HES 



HES 



DWB 



B&S 



DWB 



DWB 



DWB 



DWB 

 DWB 



HES 



B&S 



HES 



B&S 



DWB 



HES 



HES 



DWB 



HES 



DWB 



HES 



DWB 



DWB 



HES 



DWB 



HES 



DWB 



DWB 



B&S 



HES 



HES 



HES 



HES 



DWB 



DWB 



Anglo-Egyptian Sudan. 



Port Sudan . 

 Suakin 



Apr 13,'ll 

 Apr 15, 11 



h h 

 9.0, 11.0 

 9.2, 11.3 



2 16.9 W 

 1 51.0 W 



h 

 14.3 



14.4 



21 25.8 N 

 20 21.5 N 



h 



9.7, 

 9.8, 



h 

 10.6 

 10.8 



.34049 7 

 .34254 7 



202.1256 I WHS 

 202.1256 , WHS 



I 



British South and Central Africa. 



Cape Town. A . 



33 56.8 S 



18 29 



Mar 24,'ll 

 Mar 24, 11 

 Mar 24, 11 

 Mar 25, 11 

 Mar 25, 11 

 Mar 27, 11 

 Mar 27, 11 

 Apr 3, 11 

 Apr 4,11 

 Apr 4. 11 



h h h 

 10.2, 12.2, 14.2 

 15.8, 17.4 



9.0, 11.0 



12.2, 14.0 



9.6, 12.4 



13.2, 15.6 



27 38.0 W 

 27 35.4 W 



27 38.6 W 

 27 35.7 W 

 27 36.5 W 

 27 34.7 W 



14.1, 14.7 

 9.5, 10.2 

 10.6, 11.0 



60 07.6 S 

 60 04.7 S 

 60 04.6 S 



h h 



10.9, 11.7 



14.7, 15.4 



16.3, 16.9 



9.6, 10.5 



12.7, 13.5 

 10.2, 11.4 



13.8, 15.0 



'For these the magnetometer and dip-circle stations are about 60 meters apart 



r 



.17576 

 .17570 

 .17582 

 .17595 

 .17585 

 .17594 

 .17577 



EI 2 



201.12 



201.12 



on 

 en 

 oil 



CII 

 CII 



oil 



CII 



CII 

 CII 

 CII 



