Canna (pl. canne; proper meaning in Italian: Cane) was an ancient Italian unit of length, which differed from place to place.
Capua: 2.1768707 m (9th – 15th centuries)*
Republic of Genoa: 2.49095 m Kingdom of Naples: canna: 2.1163952 m (edict of 6 April 1480) canna: 2.6455026 m (law of 6 April 1840) field surveying canna: 6.998684 m² (law of 6 April 1840) Romagna: 1.9928 m Sicily: 2.062 m Tuscany field surveying canna, a.k.a. 5 "braccia" long "pertica": 2.9183 m canna (fabric): 0.58366 m Rome canna (architecture): 2.234 m commercial canna: 1.992 m Teramo: 3.17 m Malta: 2.08 m (2 yd, 10 in)
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