IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Gum Arabic: Tapped from the Acacia, Dried in the Air
Gum arabic is the hardened gum that oozes from gum acacias. Strip small pieces of bark from the branches and a clear mucilage oozes out, hardening in the air into rounded tears. Andrew Ure (1839) notes gum Senegal was gathered in November; the tears dissolve in water and bind watercolours and inks.
The picture: raw gum arabic tears of different grades and the ground powder.
Olùbẹ̀rẹ̀
A few weeks on the tree
Ìlànà
1
1
Tap the tree
Tap the tree
On a mature gum acacia, strip narrow pieces of bark from the branches with the tapping knife, without cutting into the wood.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Igi òjé Arabic (Senegalia senegal)1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ọ̀bẹ ìgbẹ́ igi
Àáké kékeré2
2
Let the tears harden
Let the tears harden
Leave the tree. Gum oozes from the wounds and hardens in the air into rounded tears, often hollow on one side.
3
3
Pick and sort
Pick and sort
Pick the hard tears into a basket. Spread them on mats in the sun, which bleaches them (Ure), and sort out bark and dark pieces; the clearest, palest tears are best.
Àwọn irinṣẹ́ tí a nílò:
Agbọ̀n
Ẹní tí a hun
Òǹwọ̀n ìdọ́gba4
4
Powder and store
Powder and store
The tears are brittle: crush them in a mortar and sift for a powder that dissolves quickly. Keep in a dry, closed jar.
Àwọn irinṣẹ́ tí a nílò:
Odó àti Ọmọ Odó
Ajọ̀
Ìgò Gílásì5
5
Gum to binder
Gum to binder
Ń ṣí ìwé Jupyter…
6
6
Limits
Limits
Tapping and the gum's properties are from Wikipedia and Ure; the sorting and the solution strength are ours. The sources give no fixed waiting time between tapping and picking.
Àwọn ohun-èlò
1Àwọn irinṣẹ́ tó nílò
8- Àyè
- Àyè
- Àyè
- Àyè
- Àyè
Ìtọ́nisọ́nà yìí ń ṣe
CC0 Àgbègbè Gbogbogbò
Blueprint yìí ti jáde lábẹ́ CC0. O lè ṣe àdàkọ, yí padà, pín, àti lò láìsí ìyọ̀ǹda.
Ṣàtìlẹ́yìn Olùṣẹ́dá nípa rírà àwọn ọjà nipasẹ̀ Blueprint wọn Ẹ̀san Olùṣẹ́dá tí àwọn Olùtajà gbé kalẹ̀, tàbí ṣẹ̀dá àtúnṣe tuntun ti Blueprint yìí kí o sì fi sínú Blueprint rẹ gẹ́gẹ́ bí ìsopọ̀ láti pín owó-wíwọlé.