The Printing Studio
...the plate is placed on the bed of the rolling press and covered with a sheet of the heavyweight paper specially made for this publication.

When all the lines in the plate have been filled with ink and the white areas have been wiped clean the plate is placed on the bed of' the rolling press and covered with a sheet of' the heavyweight paper specially made for this publication. As the plate passes between the rollers, knife-edge pressure forces the dampened paper into the grooves of the plate creating the characteristic embossed surface on the finished print.

Alecto Historical Editions