For withdrawing soil samples of consistent volume from a deep, continuous core.
Cadmium plated sample cylinder with serrated cutting edge with wooden handle.
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
For investigation of geographical and geological features.
Eight landform models join to form a continuous model showing the mountains, lakes, rivers, deserts, glaciers, coastlines, cayons and cultural point, with lesson plan, size 90 x 90 cm.
Shows mining when any ore body lies at a considerable distance below the surface.
The specific mining method selected depends upon the size, shape and orientation of the ore body and the depth involved.
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