It is convenient to create a temporary memo — whether it is preparing the card for your file, or just notes about the latest Affairs in the coming days, or envelopes with letters awaiting answer: they are placed between the turns of the springs (preferably of large diameter). Ensure that the spring does not ride, attach the ends of tin or cardboard cheeks.
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Fine sandpaper glued to a wooden block, often used for editing — the sharpening of the stylus. I propose to stick the sandpaper is not on the block and on the fixed sloping lid plywood...
