Our Microfilm articles are designed to provide you with useful information for microfilm scanning and digitization projects.
Beginner’s Guide To Aperture Card Types: Standard vs. Hollerith
We don’t expect our clients to be experts about aperture cards. That’s what we’re for. But it is useful to know a little bit about aperture cards, and one of the first things you can look for is “standard” vs. “Hollerith.”