user- Great photos of punch tape at work in 70's
- excellent chart showing oct, dec, hex, and ctl-key (e.g. ^M etc.) representations of control chars
- **** stars; excellent survey, but needs to be complemented by more detailed info on the concrete meanings of control chars in the original teletype technol...**** stars; excellent survey, but needs to be complemented by more detailed info on the concrete meanings of control chars in the original teletype technologies. (see http://computing-dictionary.thefreedictionary.com/space-cadet%20keyboard
- answers the burning question, why is DEL code 127?
