N. SCHELTEMA. “Determination of the geographical latitude and longitude of Mecca and Jidda executed in 191011". Plate IL. 
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Tu My 16 is Ty uy! 16" Ae 30" Ja Jy! 367 397 
Road from Jidda to Mecca. 
1 Mecca, Entrance to the town 17 Maktala. 25 Shumési. 50 Bahra. 78 Jarada. 
2 Kahwat al-mu”allim. 21 Kahwat Salim 35 small kahwah 59 Kahwat al-‘abd. ; 83 Raghâma. 
11 Umm ed-did. 23° Alameyn. 37 Hadda, 71 Kattana 93 Jidda Mecca-gate. 
Proceedings Royal Acad, Amsterdam. Vol, XV. 
