A hydrogeological tape measure in combination with special tips or devices is designed to measure the water temperature level and well depth. Maximum measurement depth is 100.0 m; the diameter of the rope is 0.8 mm; the minimum weight of the tip required for normal tension of the rope is 0.4 kg.
How to cite:
Ostoumov B.N. Hydrogeological tapemeasure // Journal of Mining Institute. 1953. Vol. 29 № 2. p. 197-199.
