Diagram for excavation works with tools a b and n m
A plan for digging a ditch: first lengthen it with tools a b, then set in tools n m
A red-chalk plan shows a rectangular working area with hatched triangular fields at top and bottom, crossed elements, and banded margins. The note explains the sequence of an excavation: first lengthen the ditch using the tools a b, and then put in the tools n m. Further faint script is present on the sheet but is not transcribed in this bundle.
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Sequence for lengthening a ditch
The note sets out an excavation procedure: first lengthen the ditch (fossa) with the tools a b, and afterwards put in the tools n m.
Excavation tools a b and n m
The crossed and hatched elements at top and bottom of the plan represent the digging tools referred to as a b and n m, deployed in two stages of the work.