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
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
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