Ottava

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The Ottava , also called Octava, Oittava or Outava, was a Brazilian-Portuguese measure of weight and volume and corresponded to the eighth.

Weight measure

Brazil

1 Ottava = 72 Granos = 3 ⅗ grams
8 Ottavas = 1 onca
128 Ottavas = 1 Libra
4096 Ottavas = 1 arroba

Alexandria and Turin

1 Ottava = 3 Denari = 72 Grani = 3 ⅞ grams
8 Ottavas = 1 onca
96 Ottavas = 1 lira
2400 Ottavas = 1 rubbo

Gold and silver weight

Portugal and Brazil

In Portugal and Brazil , the measure was also a gold and silver weight.

8 Ottavas = 1 onca
64 Ottavas = Marco
128 Ottavas = 1 arratel / pound
1 Ottava = 3 Escrupulos = 72 Granos

Italy

In Italy it was used as a test weight for gold.

Genoa 1 Ottava = 1 13/20 grams
- 8 Ottavas = 1 carato
- 192 Ottavas = 1 Libra scarsa
Florence 1 Ottava = 1 7/9 grams

Gemstone weight

In Brazil and Portugal it was also a gem weight.

1 Ottava = 3 Escrupolos = 9 Quilates = 36 Granos = 3 ⅗ grams

Volume measure

As a measure of volume, the Ottava was a measure of grain .

1 Ottava = 2 Selamin = 348 ¾ Parisian cubic inches = 6.9 liters
2 Ottavas = 1 quarta
4 Ottavas = 1 mejo
8 Ottavas = 1 Alqueire
32 Ottavas = Fanega
480 Ottavas = 1 mojo

literature

Helmut Kahnt, Bernd Knorr: Old measures, coins and weights: a lexicon . Licensed edition of the Bibliographisches Institut, Leipzig. Bibliographisches Institut, Mannheim / Vienna / Zurich 1986, ISBN 3-411-02148-9 , p. 434 .
Johann Friedrich Krüger : Complete manual of the coins, measures and weights of all countries in the world. Gottfried Basse, Quedlinburg and Leipzig 1830, p. 220