Private collection of Steffen Wolff (Pers. email - Steffen Wolf - 8 January 2012)
Nevil Story-Maskelyne used the wet collodion process which was modified by him to use thin mica sheets rather than glass. The choice of mica may have been influenced by his academic career as a mineralogist at Oxford University
This photograph provides a rare opportunity to see the box behind the camera for holding the plates.