Faber-Castell slide rules
Faber Castell slide rule
Obtained from the Netherlands and UK
A wood (1957) and plastic (157-89) slide rule from Faber Castell. The plastic one was my first slide rule and bought to explore how these (to me) ancient devices worked. With some practice they are decent instruments but I still prefer my HP48GX calculator...
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Faber Castell slide rule
Obtained from the Netherlands and UK