This 194? black and white US Navy Training Film MN-1512d Advanced Typing – Duplicating and Manuscript provides the basics for using a typewriter to prepare masters for duplication. Various typewriters are shown in use. A female Navy instructor explains how to make a master for duplicating machines. This includes placing the sheet inside the Copi-Rite stencil holder, shifting the ribbon indicator to the stencil position, inserting it into the typewriter, and adjusting the paper bail rollers. A burnisher and correction fluid are used to fix errors. The finished copy is proofread on an illuminated drawing board. A ruler is used to draw boxes around text (:42-4:35). A Ditto hectograph ribbon is pulled from a drawer. A 1940s Remington Rand typewriter is used. Errors are corrected with a special hectograph wax pencil, shown in many colors (4:36-7:10). An IBM Electromatic International typewriter uses a carbon paper ribbon (7:11-8:00). Stains from hectogram ribbon are cleaned using Autocopy Cleansing Cream (8:09). For the photographic offset process, special paper or a thin metal sheet is used on the IBM Electromatic carbon ribbon machine (8:20-9:15). A comparison between regular typewriter margins and the Underwood Justifying typewriter is shown. Copy is shown on the Electromatic Proportional Spacing Machine (9:16-9:29). The Varityper (Varitype) Composing machine is used for hectograph, mimeograph, and offset duplicating. A closeup is shown of the interchangeable type plates. A plate is changed to smaller print on the next line (9:30-10:25). Type is explained. Shown up close and verified with a ruler is Pica 10 pitch and Elite 12-, 14-, 16- and 18-pitch. A sheet of Type Styles with typed examples is shown. Pica is measured with a ruler down the side. Examples of how many lines to the inch are shown (10:46-12:45). Paper is slightly fanned. A ruler is used to make 3” up from the bottom of the page to leave room for footnotes (12:58-13:40). Poorly spaced and carefully spaced copies are shown (13:48-14:26). For non-standard characters, a degree symbol uses the platter rolled back and a small o. A division sign uses a dash backspaced over with a colon. A Sterling is a L with a small f backspaced over top of it. An exclamation point is an apostrophe and a backspaced period added (14:27-16:42). Copy is marked up with proofreader marks, which are explained in detail (16:42-19:40). How to center copy using the margins on the carriage and backspacing to count letter is shown on an IBM International typewriter (19:42-24:27). Paper is put into a Royal typewriter (25:05).

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