For withdrawing soil samples of consistent volume from a deep, continuous core.
Cadmium plated sample cylinder with serrated cutting edge with wooden handle.
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 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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