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Root, B.C. (author), Hanssen, R.F. (author), Vermeersen, L.L.A. (author), Munnik, M.E. (author), Vlijm, Rozemarijn (author)In November 1934, Den Helder, The Netherlands, the start of a remarkable voyage commenced. The Hr. Ms.K-XVIII, a Dutch submarine, was about to set sail to Soerabaya, Indonesia. Onboard was a Dutch professor, Felix Andries Vening Meinesz. He was able to measure the Earth’s gravity field with similar precision as on land for the first time in...abstract 2015