National Institutes of Health (U.S.). Division of Computer Research and Technology.
National Institutes of Health (U.S.). Medical Arts and Photography Branch.
Publication:
[Bethesda, Md. : Medical Arts and Photography Branch, 19--]
A large arrow stems from the small image of a monitor with an open letter and a keyboard and is pointing to a wide spread of lines, some with dots on them.
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)