MONTAUK IIA , GENNERT, USA, 1898-?

UNICUM shutter, B&L lens, dark maroon bellows, 4X5 size.
A typical camera of the 1900's: 'cycle' style. 3 wooden plates inserted via the side door.
A back door opens to use the back-glass for direct-focus OR just look thrugh the view-finder.
To focus: turn the focus-knob and the bellows with the lens-board moves on the rails.