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第609章 给林善言启发(1 / 2)

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任芸闻言,目光静静地落在这个林家的长子身上。

虽说如今他有了官身,家里也有了长工和仆人,早已不用林善言像从前那般埋头在田地里累到直不起腰。

但这孩子,反倒瞧着比以前更忙了,除了吃饭睡觉,几乎所有时间都用在研发和改良机械上,都舍不得给自己一个休息的时间。

身为农人,方知在田地间挣扎生存之艰苦,所以他才将全部心血用于研制各种农具上。能早一点制造出好用的农具,就能早一点造福农民们。

任芸也蹲下身来,抓了一小把稻谷在手里。

她捻了捻手中的稻谷,口中状似自言自语地念叨起来:“可是除了这种舂米机,还能怎么样给稻谷去壳呢?……舂米是将稻壳用舂米杵压破,还能用其他什么东西给它压破呢……”

林善言闻言不觉顿了顿,他转眸望向自家后娘:“把稻壳压破?”

随后立马想到了什么,又喃喃自语道:“只要重量够大,稻谷的外壳就能被压破……”

“什么东西重量够大呢?”任芸接着启发他道。

这时一旁的谭老爷子听到二人的对话,便开口道:“那肯定是石头了。”

林善言也想到了石头,可是,这用石头压稻谷,该怎么压?

就在这时,他看见自家后娘站起身来,将一旁一根粗壮的圆木往旁边踢了踢,一边道:“哟,这根木头好粗啊,树龄不小了吧?”

林善言望着那滚动的圆木,他脑中一瞬间闪过了什么,却一时又没捕捉得住。

直到任芸将那根圆木用劲踢到了散落着稻谷的地面上。

就在圆木压上稻谷的那一瞬,林善言陡然站起身来,激动道:“我知道了!”

任芸心道你终于知道了,再想不出来,老娘这腿真踢不动了。

但脸上却露出惊讶的神情,道:“你知道什么了?”

“娘,我知道该怎么用石头压破稻壳了!”林善言眼眸都在冒光。

任芸于是好奇地问道:“怎么压?”

林善言忙走过去,将那根圆木在稻谷上来来回回地转动起来,一边道:“把石头做成这根圆木一般的石碾子,这样碾压稻谷不就可以了?”

谭老爷子也凑过来瞧了瞧那圆木,却道:“但换成是石头的话,想来来回回滚动,可不容易啊。”

林善言思量了一下,道:“可以将石头中心这个位置凿穿,然后嵌上一根木棍,靠推动木棍带动石碾子滚动……”

他说着又蹲下身摸了摸地面:“在地上碾也不行,地面太软,稻谷受不到力……也得换成同样坚硬的石面才行……”

他在心里想象了一下圆柱形的石碾子在石面上滚动的画面,却不由地又蹙起了眉头:“来来回回地滚,确实太费事了些,怎么才能省事儿些呢?”

他习惯性地拿起一根树枝,在地上点点划划,最终,画出了一个圆形。

林善言顿时恍然大悟,他将手中的木棍戳在圆的正中心,随后道:“石面做成底盘,石碾只要绕着圆心滚,就无需来来回回的了!”

任芸闻言,不觉又被他如此迅速灵活的头脑惊了一把。她不过只是稍加提点,这几句话的工夫,就已经琢磨出石碾的基本原理了?

任芸不得不再次感慨一句,这孩子真的是天生搞发明创造的料啊……

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