Answers are grounded in this paper and cite their sources.
(1929). LXXVII. On the steady motion of viscous, incompressible fluids; with particular reference to a variation principle. The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science: Vol. 7, No. 44, pp. 641-662.
No takes yet. Share an insight, caveat, or question.
Clark B. Millikan (1929) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: