Relief model in 1/2 natural size. Provides a schematic representation of the central and peripheral nervous system. Not divisible.
Mounted on plate. Dimensions (WxHxD): 33 x 81 x 6 cm.
Set of 5 clear PVC taps for water flow visibility when designing and constructing pipe networks. For use with an Absolute Pressure Sensor.
Vials contain a vacuum sealed color forming reagent to test a variety of water quality parameters. 30 individual Phosphate test vials.
Clear PVC Venturi Tube with a constriction and two pressure ports with tubing attached, for use in a pipe network.
This rack filters 0%, 25%, 50%, 75% and 100% of incident light to simplify the study of primary productivity.
Vials contain a vacuum-sealed color forming reagent to test a variety of water quality parameters. 30 individual Total Hardness test vials.
