SANDERSON,  UK,   30's  
Is it the THE REGULAR model? - if you know - let me know
Made by:HOUGHTON, Half plate... the back is not the original one but converted to KODAK plates the camera comes  with ALDIS-PLANO f6.8 lens,  serial #25682 (of 27000 ? created by Sanderson).
my camera is missing it's viewfinder - do you have one for me?

Sanderson's patent from the 1880's  allows the lens-board to move horizontaly & verticaly.