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Alcohol Burner: the Glass Spirit Lamp with a Copper Wick Shield (Morfit, 1849)
A small glass lamp that burns alcohol for heating test tubes and small vessels on the bench. Campbell Morfit (1849): the glass body holds the alcohol; a round copper shield with a tube in its centre carries a cotton wick and rests on the neck; a minute hole in the shield lets vapour escape; a glass cap ground to fit the neck keeps the alcohol from evaporating.
Alcohol gives no smoke and does not blacken the glass. Sizes, and how the wick tube is fixed, are not given.
Source: C. Morfit, Chemical and Pharmaceutic Manipulations (1849), pp. 160-162. Picture: Fig. 115.
Principiante
Unknown
Istruzioni
1
1
Read Morfit
Read Morfit
"To the neck b is adjusted a copper circular shield c, with a tube in its centre for the passage of the wick, which should be of cotton, and similar to that used for tallow candles. The shield should rest upon, rather than within the neck, otherwise its expansion by the heat may cause the breakage of the glass. A minute opening drilled in the shield is also requisite for the escape of vapor in case the alcohol should become heated."
2
2
Make the copper shield
Make the copper shield
Cut a round copper shield a little wider than the neck of the glass body, so it rests on the neck and not inside it. Fix a short copper tube through its centre for the wick (ours: soldered; the joint is not given). Drill a minute hole in the shield for vapour to escape. Sizes are not given (unknown).
Materiali per questo passaggio:
Lamiera di rame1 shield
Tubo di rame1 wick tube
Lega saldante stagno-piombo1 joint
Flussante1 jointStrumenti necessari:
Cesoie da lattoniere
Saldatore a stagno
Trapano a mano
Dimensioni sconosciute3
3
Fit the wick and the body
Fit the wick and the body
Draw a cotton wick of the tallow-candle kind through the tube so it reaches down into the glass body, which is the alcohol reservoir. Set the shield on the neck. Ours: a clear glass bottle as the body.
Materiali per questo passaggio:
Bottiglia di vetro (trasparente)1 body
Stoppino di cotone per candele1 pezzoStrumenti necessari:
Cesoie da lattoniere4
4
Fit the glass cap
Fit the glass cap
Cover the wick, when the lamp is not in use, with a glass cap ground inside to fit the neck closely. It stops the alcohol evaporating and the wick taking up water, which makes relighting difficult. Put it on only after the lamp is out. How the cap is made and ground is not given (unknown).
Materiali per questo passaggio:
Vetro sconosciuto1 capStrumenti necessari:
Dimensioni sconosciute5
5
Fill and use
Fill and use
Morfit burns alcohol of about specific gravity 0.85. Always put the lamp out before refilling, then pour the spirit in gently until the reservoir is nearly full. The flame is hottest just below its tip; bring the vessel to it gradually, and spread the heat with copper gauze between flame and vessel for larger surfaces.
Materiali
7- 1 shieldSegnaposto
- 1 wick tubeSegnaposto
- 1 jointSegnaposto
- 1 jointSegnaposto
- Segnaposto
- Segnaposto
- 1 capSegnaposto
Strumenti richiesti
4- Segnaposto
- 2 vendors sell this, none ship to you yetSegnaposto
- Segnaposto
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