真正的“妙笔生花”
1564年,在英格兰的一个叫巴罗代尔的地方,人们发现了一种黑色的矿物--石墨。由于石墨能像铅一样在纸上留下痕迹,这痕迹比铅的痕迹要黑得多,因此,人们称石墨为“黑铅”。那时巴罗代尔一带的牧羊人常用石墨在羊身上画上记号。受此启发,人们又将石墨块切成小条,用于写字绘画。不久,英王乔治二世索性将巴罗代尔石墨矿收为皇室所有,把它定为皇家的专利品。用石墨条写它既会弄脏手,又容易折断。1761年,德国化学家法伯首先解决了这个问题。他用水冲洗石墨,使石墨变成石墨粉,然后同硫磺、锑、松香混合,再将这种混合物成条,这比纯石墨条的韧性大得多,也不大容易弄脏手。这就是最早的铅笔。
以下是一些铅笔爱好者用铅笔做的艺术品图片
http://club.yninfo.com/NewUserImages/070109/2007116201741266.jpg
http://club.yninfo.com/NewUserImages/070109/200711620174782.jpg
http://club.yninfo.com/NewUserImages/070109/20071162017551.jpg
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http://club.yninfo.com/NewUserImages/070109/2007116201811285.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201818854.jpg
http://club.yninfo.com/NewUserImages/070109/200711620182694.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201834701.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201843625.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201851486.jpg
http://club.yninfo.com/NewUserImages/070109/200711620190849.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201912423.jpg
http://club.yninfo.com/NewUserImages/070109/2007116201923520.jpg
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http://club.yninfo.com/NewUserImages/070109/2007116201951150.jpg
http://club.yninfo.com/NewUserImages/070109/200711620207338.jpg
http://club.yninfo.com/NewUserImages/070109/2007116202017728.jpg
真厉害啊 咋一看还以为是榴连!{:2_68:} 不佩服都不行~kaixin:) 学习了、还真不知道
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