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Dark Glass Jar: Blown from Cobalt Blue Glass, with a Cork Lid
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17. uMfumfu 2026NO
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Dark Glass Jar: Blown from Cobalt Blue Glass, with a Cork Lid

A storage jar in dark glass: blow the wide-mouth jar of the jar blueprint, but gather deep-blue cobalt glass instead of clear. Anneal it, grind the base flat and press in a cork cut to the mouth. The picture: our diagram of the jar and its cork.
Osezingeni eliphezulu
Half a day, plus annealing

Imiyalelo

1

Blow, open and anneal the jar

The furnace work, opening the mouth, annealing and the cork lid, step by step.
2

Gather blue glass

Melt cobalt blue glass in the furnace, gather it, marver it into a cylinder and blow a straight-sided bubble with a flat base.

Izinto zokwakha zalesi sinyathelo:

Ingilazi eluhlaza ngekhobalthiIngilazi eluhlaza ngekhobalthi1 kg

Amathuluzi adingekayo:

Isithando sengilazi esikwazi ukufinyelela ku-1100 degrees CelsiusIsithando sengilazi esikwazi ukufinyelela ku-1100 degrees Celsius
Ipayipi lokuphephetha ingilaziIpayipi lokuphephetha ingilazi
I-marver (ipulangwe lokugingqa ingilazi)I-marver (ipulangwe lokugingqa ingilazi)
Ibhentshi lomphephethi wengilaziIbhentshi lomphephethi wengilazi
Amagilavu Amelana NokushisaAmagilavu Amelana Nokushisa
Izibuko zokuphephaIzibuko zokuphepha
3

Open the mouth

Transfer to the pontil, crack off the pipe, reheat and open the mouth with the jacks to nearly the body's width.

Amathuluzi adingekayo:

Uthi lwe-pontilUthi lwe-pontil
Udlawu lwabakhi bengilaziUdlawu lwabakhi bengilazi
Isithando sengilazi esikwazi ukufinyelela ku-1100 degrees CelsiusIsithando sengilazi esikwazi ukufinyelela ku-1100 degrees Celsius
Ibhentshi lomphephethi wengilaziIbhentshi lomphephethi wengilazi
4

Anneal and grind

Crack the jar off into the annealing oven. When cold, grind the pontil mark flat.

Amathuluzi adingekayo:

Isithando sokuthambisa insimbiIsithando sokuthambisa insimbi
Amagilavu Amelana NokushisaAmagilavu Amelana Nokushisa
Ishidi lephepha lokuhlikihlaIshidi lephepha lokuhlikihla
5

Fit a cork lid

Measure the mouth, punch a cork a little wider from cork bark and taper its lower edge so it presses in tight.

Izinto zokwakha zalesi sinyathelo:

Ipulangwe lamagxolo kakhokhoIpulangwe lamagxolo kakhokho0.1 kg

Amathuluzi adingekayo:

I-Caliper Yedijithali Yamayintshi Ayi-6I-Caliper Yedijithali Yamayintshi Ayi-6
Isibhobozi sikakhokhoIsibhobozi sikakhokho
Ummese wemisebenziUmmese wemisebenzi
Ishidi lephepha lokuhlikihlaIshidi lephepha lokuhlikihla

Izinto

2

Amathuluzi Adingekayo

13

CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

Sekela uMenzi ngokuthenga imikhiqizo nge-Blueprint yabo IKhomishane Yomenzi kumiswe ngabathengisi, noma dala inguqulo entsha yale Blueprint bese uyifaka njengoxhumaniso ku-Blueprint yakho ukuze wabelane ngemali engenayo.

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