[Footnote 61: Arrêté of the Ministry of Interior, Egypt, June 25, 1902.]
CHAPTER III. * * * * * =SURVEYING METHODS AND PRINCIPAL GEOGRAPHICAL RESULTS.= * * * * *
=Triangulation.=
=Base-Lines=—The triangulation was commenced by measuring a base line[62] near Gebel Muelih by means of a 100-metre steel tape, which had been previously standardised at the...