In Genoa, Italy, a unit of length, described in an official publication of 1877 as 2.9770 meters. The cannella was used for measuring areas and volumes; the canna was used for cloth.
In some communes, the cannella was an even 3 meters, still of 12 (adjusted) palmi.
Tavole di Ragguaglio dei Pesi e Delle Misure …
Roma: Stamperia Reale, 1877.
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Last revised: 23 November 2012.