Overhead Projectors
OverHead Projector Model SP-3
As B17105 with two 24 V, 250 W halogen lamps with a quick change-over lever to enable either of the two lamps to be used.
B17107
As B17105 with two 24 V, 250 W halogen lamps with a quick change-over lever to enable either of the two lamps to be used.