Casper Müller was an ''[[oyatoi gaikokujin]]'', a Swiss man hired by the [[Tokyo]]-based Ono Silk Filature Company to build a modern-style silk reeling factory for them. | Casper Müller was an ''[[oyatoi gaikokujin]]'', a Swiss man hired by the [[Tokyo]]-based Ono Silk Filature Company to build a modern-style silk reeling factory for them. |