An eneolithical length measurement unit. The Pian
An eneolithical length measurement unit. The Pian

Summary/Abstract: The preventive researches on the route of the A1 Motorway, on the Orăștie ‐ Sebeș section, the group no. 1, have occasioned the continuation of the investigations, after more than four decades, on the site from Pianu de Jos Podei (Alba County). The defensive system includes a series of counterforts for additional attachment of one of the palisades. The seven small foundation trenches of these counterforts are located each other at distances that – measured from the center of the excavations – can indicate the existence of a unit of measure. Mathematical calculations have indicated that ~ 0.44 m is the unit of measure sought. Although it recalls the biblical elbow – 44.96 cm (originally) / 44.45 cm (later), and the Roman one – 44.40 cm, we will call it pian (pl. piani) because it is still older than mentioned.

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