If, therefore, the operator has the heart and means to do this double printing, he should never neglect to do it.
For double printing, when deep red is printed on first, the goods must be steamed one hour before the second printing takes place.
To be more explicit, there are two ways of producing spirit photographs, by double printing and by double exposure.
double printing was mostly soon abandoned also, except by the most expert men.
Double exposure, double printing, and the stop motion are the most common methods of obtaining 212 these marvellous results.
That, to an experienced photographer, shows the double printing.