Centering Text On A Typewriter
| Field | Typewriting |
| Went Obsolete | Early 1990s |
| Made Obsolete By | Computers and writing programs coupled with desktop printers |
| Knowledge Assumed | |
| When useful | In making hand made signage. |
It was necessary to take the paper being typed on and line it up perfectly in conjunction with the bar with the capstan wheels. Then, you needed to count how many letters were in your title, divide by two and then count the carriage over by the quotient. That lined you up.