The Spottiswoode Rebreather and armor is a specialized suit used for underwater diving. The suit is made from salamander skin and tortoiseshell plates. The suit is designed to protect the user from any dangerous water creatures. The rebreather is a set of fabricated gills that is placed in the mouth. The beastie uses the carbon dioxide from the user's breath and gives off oxygen.

In the seriesEdit

Deryn uses a Spottiswoode Rebreather during her mission in the straits of Gallipoli.