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第89章 石印术(1 / 2)

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“公子,您看这几块石料怎么样?”

在施府的门外,赶着马车的石匠恭敬的说道。

这些石料是几天前施奕文在幕府山采石场选的,青灰色的石料打磨的极为光滑。

“还有颜色更淡些的吗?”

用手摸了下青灰色的石板,施奕文问道。

“公子,还有一些浅灰色的石料,要是您要的话,回头小的磨好后再给您送来。”

“成,把石头送过去吧,往后要是有浅灰色的石料,就按我说的尺寸,直接磨好送来就行。”

在石板被石匠们抬进屋的时候,施奕文的心里犯起了嘀咕。

“这些石灰石的石板,应该能用吧。”

那天从书坊回来后,大失所望的施奕文并没有放弃开书坊印报纸的打算,而是进入了空间,在图书馆里寻找着解决问题的答案。

在查找一番资料后,施奕文并没有选择铅字印刷,而是选择了——石印术,这种印刷术发明于1796年,它是以表面具有密布细孔的石版作版材进行平压平或圆压平的直接印刷。是利用油水相斥的原理,用脂肪性油墨将图文绘制在石版上,然后以化学混合液润湿石版的表面,使没有图文的石版细孔蓄有混合液,这是一个化学反应,使字画成为石头的一部分。

与雕版印刷相比,石印术不需要长时间的学习,他的优点就是省人省力,石印本印刷速度快,而且能印携带方便的袖珍小本,正得益于此,技术简单的石印术在传入中国后就得到广泛应用。

而技术简单,正是施奕文选择它的原因,当然,更重要的一个原因是它可以印小字,这恰恰是雕版印刷中最困难的环节,因为小字难刻,古代的书籍字体都很大,这自然也就浪费了纸张增加了成本。

一块一尺多宽、两尺多高、半尺厚的石板,就那么搁在桌子上,如果不是因为桌子是用粗重厚实的硬木打制,恐怕都有可能被压塌了。

“应该和松尔霍芬石差不多吧,反正都是石灰石……”

手摸着石板,看起来倒也平整且光滑,又有着细腻的表面,施奕文自言自语道。

“反正,又不是做画,只是写字而已,只要是石灰石就行。”

尽管嘴里头这么说着,可施奕文却也知道,不是所有的石灰石都可以代替松尔霍芬石,那是一种专用石版印刷用石,在石版印刷之后,它就是石版印刷用石的代名词,毕竟,不是每种石灰石都像它的品性那么平衡,但并不意味着它是不可替代的,在普通印刷上,稍次一些的石灰石也可以使用。

仔细检查了一遍石板,确定石板非常平整、光滑之后,施奕文对身旁的少年说道。

“小武,你试一下,在这块石头制版。”

小武是他从书坊请来的字匠,他专门在木版上写“反字”,在他将“反字”写在木板上之后,再由雕刻工人雕刻成反向凸起的文字或图像。

石版印刷说起来与刻板印刷也算是同源,同样需要往石板上写“反字”,只不过写“反字”用的并不是普通的墨汁。

“公子,写在石板上?”

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