Painting on Copper Panels

An oil sketch on copper of  a dead bird I found on my morning walk. See the photo here.

A Small Death
A Small Death

I thought it fitting to paint this bird on my first copper panel painting. Here’s a traditional method of preparing the copper plate with garlic from National Gallery Technical Bulletin Volume 20: Painting in Antwerp and London: Rubens and Van Dyck. pages 26-27:

It is thought that the development of etching and engraving during the sixteenth century may have contributed to the use of copper plates as supports for painting, particularly as many painters also produced intaglio prints…. The use of plates previously used for etching or engraving seems to be fairly uncommon, however. Copper plates were occasionally coated with another metal (tin or zinc). In order that the paint should adhere to the smooth metal surface, it was necessary to