Improved Soldering or Tinning Acid.
Muriatic acid, 1 Ib ; put into it all the zinc it will dissolve and 1 oz. of sal ammoniac, then it is ready for use.
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https://paperspast.natlib.govt.nz/periodicals/P19070601.2.23
Bibliographic details
Progress, Volume II, Issue 8, 1 June 1907, Page 297
Word Count
30Improved Soldering or Tinning Acid. Progress, Volume II, Issue 8, 1 June 1907, Page 297
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