Small Sliding Weight Hammer with a 2 in. (5.1cm)
diameter anvil and a moveable collar to allow the operator to vary
the height of the drop from 4 to 8 in (10.2 to 20.3cm). Tamping
assembly conforms to ASTM D 2434, Standard Test Method for Permeability
of Granular Soils (Constant Head).
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S-577
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Sliding
Weight Hammer
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