pages: latestmagicbeing00hoff.pdf, 237
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latestmagicbeing00hoff.pdf | 237 | A FEW WRINKLES 221 and shorten it to an exact square, closing the lower end as before. Envelopes of the above kind are procurable in many varieties of paper, and in widths ranging by various fractions of an inch from four inches upwards. 13. To make a line, thick or thin, run freely over a pulley-wheel or through an eyelet, use as a lubri- cant powdered talcum, otherwise known as French chalk. This is equally useful for minimising fric- tion between wooden surfaces, or between wood and metal, say between a pulley-wheel and the pivot on which it turns. Where the slight extra cost is not an obstacle the use of ivory as the mate- rial of a pulley-wheel secures the perfection of easy running. It is, I trust, hardly necessary to say that wher- ever I have mentioned an article to be had by pur- chase, my recommendation is based solely upon practical experience of its merits. I have no inter- est, direct or indirect, in any of the articles men- tioned, and my knowledge of their manufacturers is derived solely from their respective labels. |