Search results
Results from the WOW.Com Content Network
Nancy Grace Butterfield Olson (April 10, 1936 – December 24, 2018) was an American librarian and educator, an expert on cataloging rules for non-print materials, and the founder of the Online Audiovisual Catalogers (OLAC).
Little research has been conducted regarding the preservation and conservation of human hair within the context of the archival world. However, much is known of the chemical structure and behavior of human hair, thanks in large part to the cosmetology industry; there is certainly a great deal of scholarship surrounding the care of other protein-based fibers, silk, and wool.
Currently, the standard analog photographic printing process for black-and-white photographs is the gelatin silver process. [1] Standard digital processes include the pigment print, and digital laser exposures on traditional color photographic paper. [citation needed] Alternative processes often overlap with historical, or non-silver processes.
Carbonless copy paper. Carbonless copy paper (CCP), non-carbon copy paper, or NCR paper (No Carbon Required, taken from the initials of its creator, National Cash Register) is a type of coated paper designed to transfer information written on the front onto sheets beneath.
As the cylinder rotates, it draws excess ink onto its surface and into the cells. Acting as a squeegee, the doctor blade scrapes the cylinder before it makes contact with the paper, removing the excess ink from the non-printing (non-recessed) areas and leaving in the cells the right amount of ink required. The position of the blade relative to ...
Use of such materials may be limited to specific patron groups, especially in private academic institutions. Music library print collections include dictionaries and encyclopedias, indexes and directories, printed music, music serials, bibliographies, and other music literature. Some public libraries have music rooms.
Tactile graphics, including tactile pictures, tactile diagrams, tactile maps, and tactile graphs, are images that use raised surfaces so that a visually impaired person can feel them. They are used to convey non-textual information such as maps, paintings, graphs and diagrams. Tactile graphics can be seen as a subset of accessible images.
An example of a black and white developer is Kodak D-76 which has bis(4-hydroxy-N-methylanilinium) sulfate with hydroquinone and sodium sulfite. In graphic art film, also called lithographic film which is a special type of black and white film used for converting images into halftone images for offset printing, a developer containing methol ...