A device used to magnify and read these sheets.
A sheet of microfilm, six by four inches, holding several hundred reduced images of document pages, read using a microfiche reader or microfilm reader.
To convert (documents) to microfiche format.
A record in the form of a graph made by a device such as a seismograph.
The process of finding something that is lost by studying evidence.
A regular path or track; a course.
The reproduction of an image made by copying it through translucent paper.