8 ottob 1950 anni - OHP Projector
Descrizione:
An overhead projector, like a film or slide projector, uses light to project an enlarged image on a screen. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film with the image to be projected either printed or hand-written/drawnAggiunto al nastro di tempo:
Data:
8 ottob 1950 anni
Adesso
~ 75 years ago