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| Machines A, B, C, and D left to right, bottom to top. |
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| Top to bottom: B, A/D, C |
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| Top to bottom: D, B/C, A |
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| Top to bottom: B, A/C/D |
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| Top to bottom: B, A/D (C has a ribbon cover from another machine, but is the crinkle paint variety). |
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| The ones made in Spain have labeled Tab keys, but the Italy made ones do not. |
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| Top you see what most Olivettis have, bottom is the mechanism on machine B, the earliest example. This design is better I think than the newer machines. |
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| Top is machine B, the better design with one moving piece on the carriage lock. The others are all the bottom which has two moving parts and does not work as well. |
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| Top to bottom: B, A/C, D |
Here are some of these machines on the Typewriter Database:
