Arbroath smoking barrel
The Arbroath “barrel” is a hardwood-fired smoking pit with triangular rails and a cover. Its documented form belongs to the traditional hot-smoking of haddock around Arbroath and Auchmithie, Scotland.
Built structures · Pits and cavities
Buried manioc store (Omagua flood storage)
A flood-season pit store described for Omagua communities along the Amazon: manioc tubers were buried before inundation and recovered as waters receded. Its shape and lining are not recorded.
A store timed to the flood
This was a fixed pit store associated with Omagua communities living on islands in the Amazon floodplain. Barghini's review of Acuña's 1641 account describes manioc roots buried before the seasonal inundation. When the floodwaters went down, people recovered what they needed and left the rest underground. The timing connected the store to the river's cycle: food was placed ahead of the flood and made available again after recession.
The historical account identifies the function and sequence, but not a standardized structure. It gives no diameter, depth, pit shape, soil type or construction tool. The page therefore records a hole dug in the ground without supplying an imagined lining or roof.
Sources for this section
Storage is the documented function
The buried roots served as a reserve that could be recovered after flooding; whether every batch fermented is not established. Barghini treats a possible fermentation connection as a hypothesis awaiting confirmation. His discussion separately describes manioc bread stored in the raised parts of houses and later crumbled in water to make a drink. That above-ground food cache is a different structure and route of use.
The Food and Agriculture Organization also distinguishes Amazonian pit or trench storage of fresh cassava from the many processing methods that ferment cassava. That wider comparison supports identifying the Omagua feature as a storage pit, but does not fill in its local design.
What the sources leave open
No exact island, measurements, lining, cover, root arrangement, capacity or retrieval tool is supplied in the inspected account. The feature cannot be reconstructed as a visual cutaway with those details without adding unsupported design. The evidence also does not establish a safe present-day process or a fermentation endpoint; this is a historical account of storage through seasonal flooding, not a building plan.
Sources for this section
History
Acuña's 1641 account, as discussed by Alessandro Barghini, describes manioc buried in pits before the Omagua islands flooded and recovered as water levels fell. The feature is documented as storage; fermentation of these buried tubers is not established.
Site
SettingFloodplain islands associated with the Omagua communities along the Amazon River; the historical account describes storage before seasonal inundation.
GroundThe source establishes burial in pits, but does not describe soil type, pit lining, waterproofing or a closure.
ClimateSeasonal river flooding structures the timing; no numerical water level, temperature or flood duration is supplied.
FootprintNot recorded in the sources inspected.
NotesA built-in storage feature, distinct from a jar partly buried during beverage fermentation. The exact pit profile cannot be reconstructed from the written evidence.
A build is made where it stands: moving it means building it again.
How it is built
Materials
- Manioc tubers — Buried before seasonal flooding; no preparation details are given in the account
- Ground — A pit was dug in the ground; soil type, lining and closure are unspecified
- Before seasonal inundation, manioc tubers were buried in pits on the Omagua islands of the Amazon, according to Acuña's account as discussed by Barghini.
- The roots remained beneath water and soil during the flood period; the source does not specify pit dimensions, lining, closure, depth or how roots were arranged.
- As floodwaters receded, households recovered the amount needed and left the rest stored. This records a historical storage practice, not a modern construction or food-safety specification.
Places
Omagua islands, Amazon River floodplain
Historical attestation · Region evidenceBarghini locates Acuña's description on the islands of the Omaguas; the source does not identify a particular island, and no modern country boundary is assigned.
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Sources
Boletim do Museu Paraense Emílio Goeldi. Ciências Humanas, 17(3), e20200116History · Form · Use · Geography · Classification
New data on amylolytic fermentation in the AmazonBarghini discusses Acuña's 1641 description of Omagua island communities burying manioc tubers before seasonal floods and recovering them after the water receded.
The account describes pit storage, but the claim that fermentation occurred is explicitly a hypothesis, not established evidence.
Barghini distinguishes this pit storage from beijus stored in the upper parts of houses and later used to make a beverage.
Cited in: A store timed to the flood; Storage is the documented function; What the sources leave open
Food and Agriculture Organization of the United Nations, Agricultural Services Bulletin 59Context · Classification
Traditional post-harvest technology of perishable tropical staples, Chapter 5: CassavaFAO describes burying harvested fresh cassava roots in pits or trenches as an Amazonian storage method, distinct from its sections on fermented preparations.
FAO does not provide an Omagua-specific pit design or enough detail to supply this feature's dimensions or materials.
Cited in: Storage is the documented function