Go 'head,  level up yourself This that different latitude …

Go 'head,  level up yourself
This that different latitude

[http://www.bitsavers.org/pdf/xerox/parc/techReports/Smalltalk-72_Instruction_Manual_Mar76.pdf]

https://twetch.app/t/a661bd47d60475e5f56120ce1d5fb84f1c5c8a696e3243f58b158c6e76535418