![punched card images [Telecom]](https://forums.cabling-design.com/media/34646/conversions/6034f0862e3759.27458240-medium.jpg)
The website of an Internet emailfax gateway service is using images of punched cards on its pages; this one is germane to this list:
formatting link
Other types of cards can be seen by altering the digit to the left of '.gif' in the URL [1 -> n, n