No. 4 CARTRIDGE  KODAK, USA,  first model 1897-1900

(original price: 12$)
The later models have a metal lensboard.  That one can take 12 pic on the 104 rollfilm (introduced for that camera) OR a 4x5 plate. It comes with an accesory back with a back glass.  LENS: bush&Lomb   SHUTTER: Rapid rectilinear,   ser # 202
Cmaeras made: 90,000