Antique Pencil Sharpeners. This page and a number of other pages on this website have photos that show pencil sharpeners and staplers in motion to enable you to see how they work. You can see the movement if you use the Firefox browser. Unfortunately, it appears that the newest version of Internet Explorer no longer recognizes the HTML code used for these moving pictures.
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I do not know about other browsers. Until the early 2. Small handheld pencil sharpeners were popular beginning in the mid- 1. Two images immediately below) For our exhibit of Small Pencil Sharpeners from 1. Left: Eureka Pencil Sharpener, patented 1. Right: Simplex Sharpener No. Eagle Pencil Co., New York, NY, patented 1.
Vintage Manual Pencil Sharpener Boston Champion Pencil Sharpener Vintage Manual Hand. vintage pencil sharpener. Antique Boston Champion Pencil Sharpener.
Between the 1. 88. This work commenced in earnest shortly after mass production of wood- cased lead pencils with round leads began in the late 1. Click here to read about the history of lead pencils.) In the US, the period of innovation virtually ended in the mid- 1. On the European continent, sharpeners with different technologies continued to be sold as late as the 1. While a handful of mechanical pencil sharpeners were patented in the U. S. between 1. 86.
During this three- decade period, commercially successful mechanical sharpeners embodied a wide variety of approaches to the central problems involved in sharpening a pencil, namely, to remove wood from the point and sharpen the lead, and either to rotate the pencil or to rotate the cutter around the pencil, all without breaking the lead. Antique mechanical pencil sharpeners can be divided into three categories based on the cutting medium or mechanism. One category of antique pencil sharpener relies on abrasive media such as sandpaper or a steel file. Other machines use a steel milling cutter with multiple cutting edges.
Yet other machines use from one to a dozen or more blades. A few used two of these methods. For example, the 1. Challenge pencil sharpener simultaneously used a blade to cut the wood and sandpaper to sharpen the lead.