In 1875 America's Supreme Court ruled that Faber was entitled to put rubber erasers onto the back of its pencils, although another inventor had already patented the idea.

1875年美国的最高法院裁定，辉柏嘉有权在其生产的铅笔末端装上一个橡皮擦，虽然另一个发明人已经获得这项创意的专利。

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As for erasers, a pink pearl and rubber eraser will both be helpful.

至于橡皮，粉珍珠和合成橡胶橡皮都会很有帮助。

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In 1770, Edward Naime , an English engineer, created and began selling the first rubber erasers.

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