With Danish engineer Hildaur Neilson, he invented the Rolodex desktop rotating card file and other office equipment.
Currently FEP makes electronic versions of dictionaries, translators, tutors, puzzles, Bibles, Rolodex organizers, calculators, books.
The Kinora worked very like a flip book or a Rolodex, using images which were conventional monochrome photographic prints fixed to strong, flexible cards attached to a circular core.
Rolodex |