Samvinna
LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI
Gesso Sottile: Plaster of Paris Slaked a Month, Ground, Wrung and Tempered Warm with Parchment Size (Cennini, c. 1400)
The fine gilding and painting ground of Cennino Cennini: plaster of Paris kept under water for a month, the water changed daily until it is dead and soft as silk, dried in cakes, then ground, wrung out in linen and tempered warm with size boiled from sheep-parchment shavings, never letting it boil or froth.
Miðlungs
A month of slaking, then an hour to temper
Leiðbeiningar
1
1
Slaking water
Slaking water
Hleð Jupyter-vinnubók…
2
2
Read Cennini
Read Cennini
"Kept moist in a large tub for at least a month; renew the water every day until it almost rots."
3
3
Slake the plaster
Slake the plaster
Put well-purified plaster of Paris in a large tub of water (the translator's note: about a gallon to each pound, so it cannot set). Keep it wet at least a month, changing the water every day, until it is completely slaked, all heat gone, and soft as silk.
Efni fyrir þetta skref:
Gifs (Parísargifs)1 stykki
Vatn1 stykkiNauðsynleg verkfæri:
Trébali4
4
Make cakes
Make cakes
Pour off the water (strain through linen), shape the paste into cakes and let them dry.
Nauðsynleg verkfæri:
Líndúkur5
5
Boil the size
Boil the size
Boil shavings of sheep parchment in water until the water is down to one third. It is ready when a little rubbed between the palms makes one hand stick to the other. Strain it two or three times.
Efni fyrir þetta skref:
Bókfell1 stykkiVatn1 stykkiNauðsynleg verkfæri:
Háhliða pottur
Klútur (til síunar)6
6
Grind and wring
Grind and wring
Drop the cakes one by one into clean water and let them drink all they will. Grind a little at a time on the slab, adding no more water. Gather it on strong white linen until you have a loaf's worth, fold the cloth and wring out all the water you can.
Efni fyrir þetta skref:
Vatn1 stykkiNauðsynleg verkfæri:
Glerjaður keramikpottur
Flöt steinhella
RifjariLíndúkur7
7
Temper warm
Temper warm
In a new, grease-free (better glazed) pipkin, scrape the gesso fine with a knife like cheese. Add the size, less than for gesso grosso, and work it with the hand like fritter batter so it does not froth. Stand the pipkin in a cauldron of very hot water to keep it warm: it must never boil.
Nauðsynleg verkfæri:
Glerjaður keramikpottur
Hnífur
Ketill8
8
Troubleshooting
Troubleshooting
Gesso troubleshooting.
Flow
Loading...
9
9
History and honest limits
History and honest limits
From Cennino Cennini, **Il Libro dell'Arte** (c. 1400), chaps. 113, 116-117, in Herringham's translation (1899), pp. 93-98 (checked on the archive.org scan bookartcenninoc01herrgoog). The water ratio is Herringham's footnote, not Cennini's. The smooth stone slab in place of porphyry and the metric figures are ours.
Efni
3- 1 stykkiStaðgengill
- 3 stykkiStaðgengill
- 1 stykkiStaðgengill
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