PROJECTOR, PROJECTING BRASS LENS HOLDER LARGE ANTIQUE W/ RACK & PINION

Rack & pinion focusing system moves only a bit up and down. Has only a rear element. Black rectangle piece size is 13x15.7cm. Total height is 16.5cm
Barrel shows pitting and superficial corrosion . Barrel shows dings dings, no dents, some scuff marks, small scratches, paint rub off. The element is in good condition. No cleaning marks, no scratches, no haze, no fungus, no separation. Shows dust particles inside. Lens diameter is 52mm.