PHOTOGRAPH: METTERS' FACTORY INTERIOR: MUFFLE (INCOMPLETE)

Black and white photograph of muffle in Metters' factory. Its metal framework is standing, but its brick lining is not quite halfway done and the tile(?) cladding even less. A stack of bricks and tiles(?) can be seen outside the muffle on the left. The photograph is dated 23.3.37 in the bottom left corner in front
Reverse: Handwritten caption reads: 'External View of Muffle.'