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.
History of Plumber Tape. â¢ 1938 â Dr. Roy Plunkett, a DuPont scientist, discovered polytetrafluoroethylene (PTFE). â¢ 1946 â DuPont registers the trademark, Teflonâ¢ for PTFE. â¢ Late 1940s â DuPont began marketing PTFE on a small scale for certain industrial applications, including valves, o-rings, and pipe linings. â¢ 1969 â DuPont PTFE fine powder is used for plumber tape for sealing joints in piping and central heating systems.