E166 Penetrometer and Master Film
(Use with Supertech Slide Rule Calculator)
Product Description
E166 Penetrometer and Master Film for use with Supertech Slide Rule S167. If you also need the S167 Slide Rule, the PB77 Kit contains S167 and E166. If you already own the Slide Rule and only need the Penetrometer and Master Film, E166 is the item for you.
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