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Tinned Copper Wire: Boiled with Cream of Tartar and Grain Tin (Spon's Workshop Receipts)
Copper wire tinned without melting any tin: grain tin or tin shavings are boiled with cream of tartar and water, and the copper boiled in the same liquor until tin comes down on it as metal.
Spon gives the receipt for copper and brass in general. Here the copper is wire. Not given: how long to boil.
Source: Spon, Workshop Receipts, first series, p. 336. Picture: the receipt.
Utangiye
Unknown
Amabwiriza
1
1
Boil the tinning liquor
Boil the tinning liquor
Boil 6 lb of cream of tartar, 4 gallons of water and 8 lb of grain tin or tin shavings together for a sufficient time. Ours: a clay pot as the vessel.
Ibikoresho by'iyi ntambwe:
Ifu y'ikirahure cya vino1 6 lb
Amazi1 4 gallons
Igitebo cya bati (etain)1 8 lb, as grain or shavingsIbikoresho bikenewe:
Ikibindi cy'ibumba2
2
Boil the wire in it
Boil the wire in it
Put the copper wire into the liquor and keep it boiling. The tin is precipitated on the copper in its metallic form.
Ibikoresho by'iyi ntambwe:
Insinga y'Umuringa1 igiceIbikoresho bikenewe:
Ikibindi cy'ibumbaIbikoresho
4- 1 6 lbUmwanya
- 1 4 gallonsUmwanya
- 1 8 lb, as grain or shavingsUmwanya
- 1 igiceUmwanya
Ibikoresho bikenewe
1- Umwanya
Iki gishushanyo gikora
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