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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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Pin by PapelMojado_AntonioPijuan on Slide Rule (Reglas de Cálculo) | Slide rule, Mechanical calculator, Slide
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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 Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1639734682249-TMIPDN22UFJ7RFV7WITH/rdp_0611-010_DSC01443.jpg)
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 Slide Rule Faber Castell Novo Duplex 62/83 — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1639734569295-R1T93D62ALAP8GR4MTV7/rdp_0611-003_DSC01426.jpg)