Download Lenticular Pitch Patterns:

Note: When downloading images files, browsers will write to the window rather to the disk when one clicks on the link. To avoid this under OpenVMS when running Netscape, press the right Mouse button on the file name and select "Save Link As...". To avoid this on a Macintosh running Internet Explorer, Netscape, Firefox, or Safari, hold the option key down before clicking on the file name. To avoid this on a Linux system running Netscape, press the right Mouse button on the file name and select "Save Link As...", or hold down the shift key before clicking on the the file name.

Note that these are very large files.