human
Wedded will be remembered by many visitors. This picture was purchased for Australia, and had to be sent from England within a few weeks of the closing of the exhibition. There was no time to make an engraving, or even an etching satisfactorily, and so the picture was sent to Messrs. Goupil, who in a few weeks produced the _photogravure_, as it is called, which we see in the printsellers' windows to this day. The operation is roughly as follows:--First, a photograph is taken direct from the picture; then a carbon print is taken from the negative upon glass, which rests upon the surface in delicate relief. From this print a cast is taken in reverse in copper, by placing the glass in a galvanic bath, the deposit of copper upon the glass taking the impression of the picture as certainly as snow takes the pattern of the ground upon which it falls. Thus--omitting details, and certain