ink-water monitor
81Tool — For other uses, see Tool (disambiguation). A modern toolbox. A tool is a device that can be used to produce an item or achieve a task, but that is not consumed in the process. Informally the word is also used to describe a procedure or process… …
82Fourth wall — The fourth wall is the imaginary wall at the front of the stage in a proscenium theater, through which the audience sees the action in the world of the play. It was made explicit by Denis Diderot [ The Fourth Wall and the Third Space by John… …
83Melpar — The story of how Washington’s technology business unfolded during the 20th century would be incomplete without a discussion of Melpar. From the mid 1950s to the mid 1960s Melpar Inc was the preeminent technological company in Washington–not only… …
84Preservation (library and archival science) — Preservation is a branch of library and information science concerned with maintaining or restoring access to artifacts, documents and records through the study, diagnosis, treatment and prevention of decay and damage. [cite web… …
85Abraham Lincoln — This article is about the American president. For other uses, see Abraham Lincoln (disambiguation). Abraham Lincoln …
86New Amsterdam — This article is about the settlement that became New York City. For other uses, see New Amsterdam (disambiguation). Drawing of New Amsterdam from 1648, found in 1991 in Vienna s Albertina, is probably the oldest image found to date …
87Meningitis — Classification and external resources Meninges of the central nervous system: dura mater, arachnoid, and pia mater. ICD 10 G …
88Ornithology — This article is about the field of zoology. For the jazz composition, see Ornithology (composition). Part of a series on Zoology …
89Foreign relations of Israel — Israel This article is part of the series: Politics and government of Israel Basic Laws Jerusalem Law …
90United States public debt — Part of a series of articles on Unit …
