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2. Transparency (projection) - Wikipedia

   en.wikipedia.org/wiki/Transparency_(projection)

   Transparencies can be printed using a variety of technologies. In the 1960s and 70s the GAF OZALID "projecto-viewfoil" used a diazo process to make a clear sheet framed in cardboard and protected by a rice paper cover. [1] In the 1980's laser printers or copiers could make foil sheets using standard xerographic processes. Specialist ...

3. Tipped-in page - Wikipedia

   en.wikipedia.org/wiki/Tipped-in_page

   A tissue guard is a tipped-in page consisting of a sheet of thin, often semi-transparent paper that is inserted facing an illustration or plate image, primarily to prevent its ink from transferring onto the opposite page. [2] [3] [4] It is usually added after the book is bound.

4. Tracing paper - Wikipedia

   en.wikipedia.org/wiki/Tracing_paper

   The sizing in production will determine whether it is for laser printer or inkjet/offset printing. Tracing paper may be uncoated or coated. [further explanation needed] Natural tracing paper for laser printing is usually uncoated. The HS code for tracing paper is 4806.30. [4] Tracing paper can be recycled and also can be made from up to 30% ...

5. Overhead projector - Wikipedia

   en.wikipedia.org/wiki/Overhead_projector

   Appeldorn developed a process for the projection of transparent sheets that led to 3M's first marketable transparency film. The Strategic Air Command base in Omaha was one of the first big clients, using circa 20,000 sheets per month. 3M then decided to develop their own overhead projector instead of the one they had been selling until then ...

6. Photographic film - Wikipedia

   en.wikipedia.org/wiki/Photographic_film

   Print film, when developed, yields transparent negatives with the light and dark areas and colors (if color film is used) inverted to their respective complementary colors. This type of film is designed to be printed onto photographic paper, usually by means of an enlarger but in some cases by contact printing. The paper is then itself developed.

7. Paper vellum - Wikipedia

   en.wikipedia.org/wiki/Vellum

   [7] [6] Paper vellum is usually translucent and its various sizes are often used in applications where tracing is required, such as architectural plans. Its dimensions are more stable than a linen or paper sheet, which is frequently critical in the development of large scaled drawings such as blueprints. Paper vellum has also become extremely ...