Figure 1

Line Art Detail Scanned From 2nd-Generation Microfilm (2N)

600 dpi, 1-bit digital image scanned by Yale University Library Preservation Department on the Mekel 400XL
click on image for a larger area of detail

Figure 2

Line Art Detail Scanned From Paper Original

600 dpi, 1-bit digital image scanned by Cornell University Library Preservation Department on Xerox XDOD
click on image for a larger area of detail

Figure 3

Halftone Detail Scanned From 2nd-Generation Microfilm (2N)

600 dpi 1-bit digital image scanned by Yale University Library Preservation Department on the Mekel 400XL
click on image for a larger area of detail

Figure 4

Halftone Detail Scanned From Paper Original

600 dpi, 1-bit digital image scanned by Cornell University Library Preservation Department on Xerox XDOD
click on image for a larger area of detail