For cutting solid cylindrical soil sample.
Steel tube with cutting edges at lower end.
An engraved index line ensures consistent volume of sample with tommy bar, size 500 x 50 mm
Shows coastal and mountain terrain in natural colour relief & cross section diagram of the substance of a typical volcano.
Complete with lesson plan, size 60 x 45 cm
Showing upper level of an underground surface in which soil or rock is permanently saturated with water.
The water table separates the underground water zone from the capillary fringe or zone of aeration.
Set of 2 landform models, each includes an overlay representing ancient mountain forms that can be removed and compared with the base model to show changes millions of years later.
Cross section shows basic mountain types, volcanic fault block, glaciated domes and folded mountains with lesson plan, size 45 x 60 cm.
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