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
Electric pencil sharpeners have made life in the office, some homes and schools much easier when it comes to sharpening pencils. Work can be completed in a much shorter time. They work from a network, batteries and even through a USB port. Their undoubted advantage is the ability to sharpen a pencil of almost any diameter.
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…
The first pencil sharpener was patented by French mathematician Bernard Lassimon in 1828 (French patent No. 2444). And only in 1917, electric pencil sharpeners first appeared in offices. The American writer David Reese even wrote the book Proust from the Sharpener, its meaning lies in the discussion of how to make a business out of pencil sharpening. An entire chapter in the book is devoted to wall mounted electric sharpeners. It turns out that there were some in American school classes.
Choose a sharpener
For the child, the hand-held design is perfect. It is safe, often has a bright children's design. For the office, of course, electric pencil sharpeners are preferable.
When buying, be sure to pay attention to the blade. It must be durable and of high quality; the best material is high-carbon steel. Poor quality blades are short-lived. The presence of a special container for chips is an important detail. The absence of a waste container creates certain inconvenience in use. Electric sharpeners should also pay attention to the possibility of overheating and noise during operation. Some models make rather unpleasant loud sounds, which is unacceptable in the office. Trust only the best manufacturers. And then the sharpener will be not just a trinket on the desktop, but a good helper.