安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Microform - Wikipedia
A microform is a scaled-down reproduction of a document, typically either photographic film or paper, made for the purposes of transmission, storage, reading, and printing Microform images are commonly reduced to about 4% or 1⁄25 of the original document size For special purposes, greater optical reductions may be used
- What is Microfilm? Understanding Its Uses and Benefits
Microfilm is a photographic film containing microphotographs of documents, newspapers, books, and other materials Typically, these microphotographs are reduced in size to fit onto a small strip of film, often measuring just 16mm or 35mm in width
- The History Of Microfilm | Learn The Past, Present, And Future
In our article we’ll cover a (brief) history of microfilm, where it’s used today, some benefits of choosing microfilm for records preservation, and the potential future of microfilm As a minor note, we mostly use the term “microfilm” although we may sprinkle in microfiche, too
- Microfilm vs. Microfiche: Understanding the Difference
So, what is microfilm and microfiche? And how to use microfilm today? We’ve crafted a short guide covering everything you need to know, including microfilm conversion and more: What is Microfilm? A type of microform, microfilm is available in the form of a thin, film reel It was developed in the 1800s, but it was not utilized properly until
- The Strange History of Microfilm, Which Will Be With Us for . . .
That tool is microfiche, the plasticky film used to archive old print content, and it has a surprisingly diverse history—one that starts with a guy named John Benjamin Dancer In 1839, Dancer,
- Microfilm | Britannica
Microcopy, or microfilm, the legal status of which as record copy usually has had to be determined by special legislation, is a practical medium for making additional copies of records as security against risk through acts of warfare; as preservation against normal deterioration or damage; for use…
- What is Microfilm?
Microfilming, also called microphotography, consists in the reduction of images to such a small size that they cannot be read without optical assistance This amazing photographic compression often results in a ninety-nine percent saving of space
- The History of Microfilm: 1839 To The Present
MICROFILM - A BRIEF HISTORY Pre 1920's Although treated as a novelty until the 1920's, microforms originated much earlier John Benjamin Dancer, an English scientist, known as the "Father of Microphotography," began to experiment with and manufacture microproduced novelty texts as early as 1839
|
|
|