Webster Dictionary(0.00 / 0 votes)Rate this definition: Cupola(noun) a roof having a rounded form, hemispherical or nearly so; also, a ceiling having the same form. When on a large scale it is usually called dome. Cupola(noun) a small structure standing on the top of a dome; a lantern.
In 1923, Richard Gurley Drew working for 3M invented masking tape, a paper-based tape with a mildly sticky adhesive. In 1925 this became the Scotch brand masking tape. In 1930, Drew developed a transparent tape based on cellophane, called Scotch Tape.n 1923, Richard Gurley Drew working for 3M invented masking tape, a paper-based tape with a mildly sticky adhesive. In 1925 this became the Scotch brand masking tape. In 1930, Drew developed a transparent tape based on cellophane, called Scotch Tape.
German inventor Paul Nipkow developed a rotating-disc technology to transmit pictures over wire in 1884 called the Nipkow disk. Nipkow is credited with discovering television's scanning principle, in which the light intensities of small portions of an image are successively analyzed and transmitted.