Electrotint, Or, The Art of Making Paintings in Such a Manner that Copper Plates and "blocks" Can be Taken from Them by Means of Voltaic Electricity

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E. Palmer, 1842 - 26 páginas
 

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Página 21 - Two parts by weight of sulphate of lead, two of lard, and one of white wax, are to be melted together, and stirred till nearly cold : if, after being . well ground, this should prove too thick for use, a little olive oil can be added.
Página 1 - Electrotint: or the art of making paintings in such a manner that copper plates and 'blocks' can be taken from them by means of voltaic electricity.

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