If the ribbon has been rewound a number of times, or amateur re-inking has been employed, it will almost certainly never print the same letter exactly the same way ~ not even in the same word.
Someone else can verify the movements on any particular manual typewriter BTW,
If the ribbon has been rewound a number of times, or amateur re-inking has been employed, it will almost certainly never print the same letter exactly the same way ~ not even in the same word.
Someone else can verify the movements on any particular manual typewriter BTW,
At what point do we conclude that the change is too extreme to be explained by your theory? (not to mention the kerning.)