paper portfolio
n.d. · Leipzig
Leipzig: Rudolph Becker, n.d.. paper portfolio. Becker, Rudolf. 4to. paper portfolio. (4) pages followed by (15) loose leaves of illustration. The firm of Rudolph Becker illustrates the stages of offset printing with 15 color specimens. An image is taken through the process, with examples of each color addition (printed wholly in that color and then printed with that color added to the mix). An introduction to the specimens is included. In German. Tear in portfolio at top. (Inventory #: 61885)