Samvinna
LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Hand Bellows From a Whole Ram Skin With a Wooden Head and Iron Tube (Theophilus, 12th Century)
The goldsmith's bellows from Theophilus's De Diversis Artibus (12th century): a ram skin stripped off whole through an opening behind, stuffed with straw and dried, cured a day and two nights in lye and salt, stretched, oiled, and fitted with a wooden head and iron tube at the neck, four sticks across the back, and a thumb loop and finger loop to work it.
Miðlungs
About 4 days
Leiðbeiningar
1
1
Schedule
Schedule
Hleð Jupyter-vinnubók…
2
2
Read De Diversis Artibus, Book III
Read De Diversis Artibus, Book III
"Then make bellows from the skins of rams, thus: When the rams are killed, the skins must not be cut under the belly, but they are opened behind."
3
3
Strip and cure the skin
Strip and cure the skin
Open the ram's skin behind, not under the belly, and turn it so it strips off whole. Fill it with straw and dry it moderately. Lay it in lye and salt for a day and two nights.
Efni fyrir þetta skref:
Gæra1 stykki
Hálmur1 stykki
Viðaraskalútur1 stykki
Salt1 stykkiNauðsynleg verkfæri:
Leðurhnífur
20 lítra fata4
4
Stretch and oil
Stretch and oil
On the third day stretch it lengthwise, but more in breadth. Anoint it (tallow is our choice) and stretch it again.
Efni fyrir þetta skref:
Tólg1 stykki5
5
Fit the head and tube
Fit the head and tube
Make a wooden head that passes through the skin's neck and bind it there; bore it for an iron tube (rolled from sheet iron, our method).
Efni fyrir þetta skref:
Harðviðarborð1 stykki
Járnplata (hömruð)1 stykki
Jútugarn1 stykkiNauðsynleg verkfæri:
Handsög
Handsveifarbor með borLeðurhnífur
Hamar6
6
Fit the back and loops
Fit the back and loops
Across the back opening place four pieces of wood: two joined together and fixed in the middle, two sewn onto the skin, so the joins come above and below. Sew on two loops of the same skin, a smaller one above for the thumb and a larger one below for the other four fingers.
Efni fyrir þetta skref:
Harðviðarborð1 stykki
Líntvinni1 stykkiNauðsynleg verkfæri:
Sýll
Tvær söðlasmíðanálarLeðurhnífurHandsög7
7
Use
Use
Put the iron tube in the hole of the furnace, lay fire and charcoal at the back and front, and blow, first to dry the new furnace.
8
8
Troubleshooting
Troubleshooting
Bellows troubleshooting.
Flow
Loading...
9
9
History and honest limits
History and honest limits
From Theophilus Presbyter, **De Diversis Artibus** (12th century), Book III, chapter IV, translated by Robert Hendrie (1847) (checked on the archive.org scan essayuponvarious00hend, pp. 211-213). He gives no sizes and does not say what the skin is anointed with; tallow, the rolled sheet-iron tube, the tools and the diagram are ours.
Efni
9- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
- 1 stykkiStaðgengill
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