第六章、纸上发明(2 / 2)

汉魏文魁 赤军 0 字 2021-04-06

是勋取纸墨画了几张图,第五天亲临作坊,唤来辛韬、郭淮、谢徵——长官要指导工作。 </p>

先,是勋跟谢徵说,你也别搞抛石机了,那不是你的本业,我希望你能够在火药当中多加几味药材……谢徵瞪着三角小眼问:“所加何药?请侍中示下。”是勋阴险地一笑:“剧毒之药。” </p>

是勋说火药着了火不是会冒烟吗?那要是添了毒药,冒出来的烟不就能伤人吗?你去研究这个去。转头再跟辛韬说,抛石车别用陶罐,既不方便制造,又不方便使用,去搞一批麻纸,填以火药,造火药球朝外射可也。然后—— </p>

“吾见坊中礮皆极巨大,不知逢有战事,如何输运?” </p>

辛韬老实回答说压根儿没法运,我们还制造了十人拉拽,可五斤弹投百步的小礮,那东西勉强可以运往前线。至于大礮,只能临时带着工匠,跟前线现造。 </p>

是勋心说我就知道,这年月的攻城器械大多粗笨,什么云梯啊、撞车啊,都得临到敌城下再伐木建造,随军顶多就带上些比较精细、因而费工的小零件而已。所以一般攻打大城,攻方得在城下先准备好几天;而守方若有时间,就先会伐尽城外的树木,以挫败攻方修造攻城器械的企图。 </p>

是勋说这样不成,有没有解决的办法呢?他提出一个建yì,请工匠把抛石车分拆成多个可组装的部件,这样就方便运输了——具体怎么办,你们自己去商量。 </p>

然后,他又展开一张自己绘制的图样,那是一具配重抛石机,类似于后世所谓的“回回砲”。这种抛石机的原理很简单,就是用重物替代人力拉拽,既省人工,又可一定程dù地解决拉拽不齐所造成的动力损耗,并且提升精度。 </p>

是勋展开的第二张图,有违曹操之意,还是他的火箭,不过这回不是火箭车了,而是后世的“一窝蜂”,两三人即可操作。当然啦,是勋都是画个大概样子,指明一个研究方向,具体工艺——你们去跟匠人一起琢磨吧,我只是一个文科生唉! </p>

他在作坊里就呆了小半天,然后便返回自家庄院,去抱小妾管氏和儿子是复了。翌日返回城内,才进家门,突然就撞过来一个人,奔到切近,深深而揖:“久疏问候,七兄可康健否?” </p>

是勋定睛一瞧:“啊呀,子高,何时到都中来的?” </p>

原来还真不是外人,乃是仪末子、是勋的族兄弟是峻是子高。这些年是氏兄弟散居各处:是宽在徐州为吏,是著仍未出仕,跟家里陪着老爹;是纡为屯田校尉,先在兖州忙活,最近又被派去了徐州,听说曹操打算升他做屯田中郎将;是峻先为东郡吏,后迁尚书南主客曹令史…… </p>

估计是瞧他年轻轻、资历潜,所以南主客曹要派人出差,从来都是是峻的活儿,加上是勋也见天儿往外跑,兄弟二人竟然每每擦身而过,竟然一面都没能见上。大概在是勋前往青州迎接郑玄的时候,是峻又被外放了,任豫州陈国宁平长。 </p>

这么多年,是勋逢年过节的时候,总要写信给是仪,探问起居,再各作一书传给是纡和是峻。是仪等人自然会回信,是著也会在老爹的信后添上几笔,跟兄弟打个招呼,只有是宽,始终无一字相与。 </p>

实话说,是勋已经跟是氏本家渐行渐远,书信往来只是尽礼数而已——他还经常给太史慈写信呢,内容可比写给是家人要详细多了,感情也热络多了——要不是这年月士林中讲究家族意识,是家这块踏脚石对他早就没用了,说不理也就不理了。 </p>

可是不管怎么说,是勋穿来此世,父母双亡,可以说孑然一身,深夜思来亦难免孤寂。虽然是假装的,是家父子、兄弟名义也算是自己除儿女之外的血亲啦,如今得见是峻,还是不自禁地就生出了一份亲近感来。他定睛细瞧,这孩子也终于长大啦,都留了胡子了,而且或许这几年经历宦途风霜之故,行为举止也显沉稳得多,不复昔日“混世魔王”之相。 </p>

是勋赶紧一把抓住是峻的胳膊,心里略一计算:“子高,你三年县长任满,难道是调回许都来了吗?”是峻微微一挑眉毛:“七兄算岔了,还须三月。弟正因此寻机入都,来走兄长的门路啊!”</p>

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