Manometer without Stopcock, to highlight the variation of pressure in a liquid with depth. It consists of a pressure capsule of 35 mm placed in a bent steel tube, measured by a pressure gauge mounted on a graduated support. Includes beaker
Dry Field Mapping Kit, includes cork-covered base, 30cmx26cm; pad of 25 sheets pre-printed conductive paper 28cmx21.5cm; pad of 100 sheets preprinted paper for drawing fields; ten metal-headed push pins; a silver conductive pen