Figure 38. Stahlberger rheobathometer, invented in 1873 by Emil Stahlberger to measure currents, measure depth, and collect deep water samples. It was first used on board the Austrian corvette MINERVA in 1873 in the Gulf of Fiume. The original device was made by Mathias Skull of Fiume, Austria. Several versions of this instrument were tested at various depths.
Photo Category: Oceanography - Historical instruments