FINGER PRINT CAMERAs  by GRAFLEX (right) and WATSON&HOLMES (left)
 

 FINGER PRINT CAMERA by GRAFLEX, USA, 1918-52
Serial no. 16 so I assume it's very early (1918?). Used for 1:1 finger-prints or documents on 2 1q3 X 3 1/4 " plates. Back with a focus glass or plateholder.

 WATSON&HOLMES finger print camera by Burke&James, USA, 1950-60s
Heavy duty metal special purpose camera for 1:1 finger-prints (Police, jails etc...how romantic). Has internal small light bulbs for illuminating the photographed subject. Groung glass for focusing at the back. On the left and right has room for 4 big batterries.
Lens: PRONTOR PRESS f3.5, various speeds upto 250.