Spring Slinky
| E11.0111Forma fluctus Spring | |
| Catalog No. | specification |
| E11.0111-A | Undo Spring longum forma, quia per experimentum fluctus motus, pulsus, non ratio nee cessante. Tandem clausis 1.8M Dian. 2cm |
| E11.0111 B, | Big Undo Spring forma, fiunt ex ferro, ad demonstrandum, fluctus motus. Clausis 10cm longitudine, Dia.7cm |
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