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Plate Pewter: Tin with Antimony, Bismuth and Copper, Ure 1839
Gwynedd Archaeological Trust , Spencer Gavin Smith, 2014-10-13 14:38:17 (Wikimedia Commons) · CC BY-SA 2.0
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Plate Pewter: Tin with Antimony, Bismuth and Copper, Ure 1839

Pewter is mostly tin, made harder with a little of other metals. Andrew Ure (1839) gives the best English plate pewter, the hardest grade, used for plates and dishes, as 100 tin, 8 antimony, 2 bismuth and 2 copper: no lead, which he warns can poison vinegar and wine kept in cheaper pewter. The picture: a small pewter ingot recorded by the Portable Antiquities Scheme.
Hagati
An afternoon

Amabwiriza

1

Weigh the charge

Weigh the four metals in Ure's proportions (see the notebook). Cut the copper into small pieces.

Ibikoresho by'iyi ntambwe:

Igitebo cya bati (etain)Igitebo cya bati (etain)446 g
AntimwaniAntimwani36 g
BisimutiBisimuti9 g
Ikibumbe cy'umuringaIkibumbe cy'umuringa9 g

Ibikoresho bikenewe:

Umunzani w'ibiroUmunzani w'ibiro
2

Melt the tin, then the rest

Melt the tin in a clay crucible over the charcoal fire. Stir in the antimony and bismuth, then the copper pieces, keeping the heat up and stirring until the copper has dissolved and the metal is one even liquid.

Ibikoresho by'iyi ntambwe:

AmakaraAmakara1 as required

Ibikoresho bikenewe:

Ikirahure cy'Ibumba Rirwanya UmuriroIkirahure cy'Ibumba Rirwanya Umuriro
Itanura ry'amakaraItanura ry'amakara
Inkoni y'icyuma yo kuvangaInkoni y'icyuma yo kuvanga
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Uturindantoki twihanganira ubushyuheUturindantoki twihanganira ubushyuhe
Ikanzu y'uruhuIkanzu y'uruhu
3

Skim and pour

Skim off the dross and pour into a warmed ingot mould in one run.

Ibikoresho bikenewe:

Imbumbe yo gusukamo icyuma gishongeyeImbumbe yo gusukamo icyuma gishongeye
Amakoro y'Icyombo GishongeshaAmakoro y'Icyombo Gishongesha
Uturindantoki twihanganira ubushyuheUturindantoki twihanganira ubushyuhe
Ikanzu y'uruhuIkanzu y'uruhu
4

Ure's plate pewter

Gupakira ikaye ya Jupyter…

Ibikoresho

5

Ibikoresho bikenewe

8

Iki gishushanyo gikora

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Agateganyo

Igice cya pewutere

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Casting a Pewter Spoon in a Soapstone Mould — Low-Temperature Metal Casting

Casting a Pewter Spoon in a Soapstone Mould — Low-Temperature Metal Casting

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