INDUSTRIAL ERA (1440 - 1890)

PRINTING PRESS - is an apparatus for administering pressure to an inked surface recessing upon or print medium.

DRY PLATES - heating a gelatin suspensiom greatly amplified its sensitivity finally made so called "Instantaneous"

TELEGRAPHY - is the long-distance broadcast of textual or symbolic messages.

TELEPHONE - is a telecommunications device that allows many users to administer a conversation when they are too far apart to be heard.

PHONOGRAPH - is a device designed for the power driven recording and reproduction of sound.

FILM - is a series of immobile images that, when shown or a screen, generates the illusion of moving images