Before they came up with a sharpener, they sharpened pencils with a knife. The new invention greatly simplified this task. With its advent, the process has become safer and more convenient.
Variations on a Theme
Sharpeners have all kinds of shapes and colors. What manufacturers and designers just do not use to draw attention to their product. But their main difference is the type of mechanism. Today there are three options: simple or manual (the main assortment of the office market), mechanical and electric sharpener.
Work and look great
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The case is made of impact-resistant material, the blades are made of the best quality steel. The electric pencil sharpener has the options "autostart", "autostop", as well as a sharpening indicator. Today Panasonic products are the most popular. They survived use in offices and schools. Electric pencil sharpeners are functional, meet the necessary aesthetic requirements of modern institutions. The latest models are equipped with a fan for cooling the mechanism and a heavy-duty cutter for quick sharpening, an automatic switch for safe cleaning, 6 sections of different sizes for sharpening pencils of various diameters, legs on the suction cups for maximum stability of the device on the table.
From the history…
1828 (French patent № 2444). 1917 . « », , . . , .
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