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The platform forms both a writing surface (in part) and a base and reference plane for the moving and other stationary parts. ("F" on diagram) In a portable device the platform is in two parts that form the covers of the enclosure formed for transport. As suggested by Jefferson, a non-portable version uses a single board for the entire platform.
Using letter copying presses, copies could be made up to twenty-four hours after a letter was written, though copies made within a few hours were best. A copying clerk would begin by counting the number of master letters to be written during the next few hours and by preparing the copying book. Suppose the clerk wanted to copy 20 one-page letters.
A mimeograph machine (often abbreviated to mimeo, sometimes called a stencil duplicator or stencil machine) was a low-cost duplicating machine that worked by forcing ink through a stencil onto paper. [1] The process was called mimeography, and a copy made by the process was a mimeograph.
A Xerox digital photocopier in 2010. A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply.
After a 10-second exposure, the paper was directed to developing and fixing baths, then either air- or machine-dried. Since the print was directly exposed, without the use of an intermediate film, the result was a negative print. A typical typewritten document would appear on the photostat print with a black background and white letters.
Secretary hand or script is a style of European handwriting developed in the early sixteenth century that remained common in the sixteenth and seventeenth centuries for writing English, German, Welsh and Gaelic.
"The Western Union Telegraph Company is now putting in a new patent telegraph printing machine on the Chicago line and hereafter dispatches transmitted over this line will be printed as they are received at the office in this city. The machine is furnished with keys similar to a piano, each key representing a letter in the alphabet, and by a ...
A copperplate script is a style of calligraphic writing most commonly associated with English Roundhand. Although often used as an umbrella term for various forms of pointed pen calligraphy, Copperplate most accurately refers to script styles represented in copybooks created using the intaglio printmaking method .