Canna (unit)

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)[1]
  • 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)[2]
Metric conversion table, 1860

Sources
  • Guidi, Giuseppe (1855) [1839]. Ragguaglio delle monete dei pesi e delle misure attualmente in uso negli stati italiani (in Italian). Firenze: Federico Pustet / Le Monnier. Retrieved 12 July 2015.

Notes
    • De Rosa, Vincenzo (1977). "Tavole di ragguaglio delle misure napoletane comuni e delle consuetudinarie capuane con il sistema metrico decimale". Quaderni della Gazzetta di Gaeta (in Italian). Cassino: Di Bernardo (14).
  2. "The Water Supply of the Maltese Islands" (PDF). Archivum Melitense. Malta Historical and Scientific Society. VII (1): 6. 1922. Archived from the original (PDF) on 4 March 2016. One Maltese canna is practically, equal, [sic] to 2 yards 10 inches.
gollark: No, the person responsible for its *containment* is stopped anomalously by the "narf".
gollark: Did you READ the SCP?
gollark: You cannot SUMMON "big narf".
gollark: > Merely adding the phrase “BIG NARF” to the description of an upcoming event does not cause its cancellation, in significant tests by GCN-12 to date. Only additions of the phrase “BIG NARF” spontaneously by no observed mechanism or party appear to trigger SCP-2939. The phrase “BIG NARF,” then, is currently considered to be a ‘calling card’ for the events rather than a self-propagating memetic hazard in and of itself.
gollark: > Description: SCP-2339 is the collective designation for an anomalously large Bombus terrestris (buff-tailed bumblebee) nest and the bees residing within. SCP-2339-1 is the nest itself, measuring nearly 32m across. In comparison, a standard European bumblebee nest has a maximum capacity of 400 bees, and is far smaller. Aside from its size, SCP-2339-1 shows no other anomalous properties.
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