铸件的制作涉及到一些奇怪的老式和新式器械以及烤箱，另外还包括一台架在散落标本抽屉上的老式手工离心机(上图)，它是用来赶走铸件中的空气泡的。

The casts are made using an odd collection of old and new instruments and ovens, including an old handmade centrifuge built on stray specimen drawers (above), used to get air bubbles out of the casts.

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