Tanjung Priok Dock of 8,000 tons now had access to open sea, but still had to be brought to Batavia. After a thorough inspection, and after all preparations had finished, the dock left the Nieuwe Waterweg on 12 July. She was pulled by two ocean-going tugs. Humber (ex Atlas) of 520 ton and 1,500 hp had captain Willem Verschoor, overall commander of the expedition, and navigator T. Vet. Poolzee of 300 ton and 750 hp was captained by Van der Hoeven, who had his nephew Van der Hoeven as navigator. The dock itself was commanded by dockmaster Strijbos. On board Humber the radio telegraphist Mr. Spruit would send letters about the voyage. The journey was expected to take four months. On 13 July the ships were 10 miles west of Beachy Head. On 16 July they were 50 miles south west of Start Point, Devon. On 20 July they were at On 24 July they were 60 miles from Vigo. On the 27th they were at the altitude of Cabo da Roca. On 2 August the convoi was 60 miles east of Cabo de Gata On 4 August the ships were near Algiers. On 10 August they were near Cape Bon (Tunesia). On 13 August the convoy was 70 miles east of Malta. On 16 August they were at