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Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales
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![Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1639734562987-STBMG1LAIYV6VUN3TCUW/rdp_0611-001_DSC01447.jpg)
Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales
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