第18章 青铜卡尺 黑科技现世
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左耳为升、右耳上节为合,合下为龠,一器囊括斛、斗、升、合、龠五种容量单位,换算精准,一目了然。
嘉量通体刻铭,正面铸有81字铭文:“黄帝初祖,德匝于虞;虞帝始祖,德匝于新。岁在大梁,龙集戊辰;戊辰直定,天命有民。据土德受,正号即真。改正建丑,长寿隆崇。同律度量衡,稽当前人。龙在己巳,岁次实沉。初班天下,万国永遵。子子孙孙,享传亿年。”
铭文清晰,字体规整,记录了王莽受命改制、统一度量衡的历史,也彰显了新朝的正统地位。
嘉量的容积,精准至极:1斛=20000毫升,1斗=2000毫升,1升=200毫升,1合=20毫升,1龠=10毫升。
打造完成后,王莽将新莽嘉量立于未央宫前殿,作为天下量制的最高基准,同时批量铸造小型嘉量、铜升、铜斗、铜斛,颁发天下,各级官府、粮仓、集市,皆须以此为标准,校准本地量器,废除旧制,统一新制。
三、衡制:铢两斤钧石,精准称重
衡制(重量):1石=4钧,1钧=30斤,1斤=16两,1两=24铢。
以青铜卡尺校准重量,规定1斤=250克,1两=15.625克,1铢=0.651克。
打造标准铜权(砝码),从石、钧、斤、两、铢,规格齐全,刻铭重量与年号,颁发天下,各级官府、粮仓、集市,皆须以此为标准,校准本地衡器,废除旧制,统一新制。
四、推广执行:严刑峻法,天下遵行
度量衡标准制定、标准器打造完成后,王莽下诏,颁行天下,严令执行:
自始建国元年起,天下度量衡,统一采用新朝标准,旧制一律废除,私藏旧器、拒不执行者,严惩不贷;
各级官府,须以青铜卡尺、嘉量、铜权为基准,校准本地度量衡器,统一发放标准器,确保政令畅通;
工坊、集市、商贸、粮仓,交易、纳税、造器,皆须使用新制度量衡,严禁欺诈、克扣,违者重罚,家产充公;
派遣专员,巡查各地,监督度量衡执行情况,严查私铸、篡改度量衡器的行为,一经查实,就地正法。
严刑峻法之下,各地纷纷响应,废除旧制,推行新制。
长安、洛阳、邯郸、临淄、宛城、成都六大都市,率先完成度量衡统一,集市之上,交易公平,商贾欺诈绝迹;工坊之内,尺度统一,零件通用,效率大幅提升;粮仓之中,计量精准,赋税公允,百姓不再被盘剥。
地方郡县,也纷纷效仿,青铜卡尺、嘉量、铜权,遍布城乡,天下度量衡,终于迎来久违的统一。
百姓欢呼雀跃,纷纷称赞:“新朝陛下,圣明无比,统一度量衡,公平交易,赋税公允,百姓再也不受欺诈盘剥之苦了!”
工匠们更是欢欣鼓舞,有了统一标准,造器精准,效率大增,产品质量大幅提升,冶炼、铸造、木工、建筑等行业,迎来蓬勃发展。
商贸市场,秩序井然,物价稳定,交易便捷,跨区域贸易日益繁荣,促进了经济流通与发展中国科普网。
王莽站在未央宫前殿,看着矗立的新莽嘉量,看着天下度量衡统一、市场井然有序、百姓安居乐业,眼中闪过一丝欣慰与自豪。
他知道,统一度量衡,只是第一步。
接下来,他要以科技之力,革新农业生产,推广新式农具,提升粮食产量,夯实国本,让新朝,真正走向盛世!
第四节新式农具:耦犁代木耒,农耕革命
农业,乃国之根本。
西汉末年,土地兼并严重,流民四起,农业生产凋敝,农具落后,耕作效率极低,粮食产量低下,百姓食不果腹,饿殍遍野。
彼时,天下农耕,多用木耒、骨耜、铁锸等原始农具,耕作方式落后,“二牛二人”,效率低下,一亩地,需耗时数日,且耕作浅薄,土地肥力无法充分发挥,粮食亩产不足百斤,难以满足百姓温饱。
王莽深知,要稳定天下、安抚百姓、夯实国本,必须革新农业生产,推广新式农具,提升耕作效率与粮食产量。
于是,在统一度量衡的同时,王莽召集天下顶尖农匠、工匠,结合后世农具设计理念,打造新式农具——耦犁、耧车、铁耙、铁锄,并下令全国推广,掀起一场农耕革命。
一、耦犁:二牛三人,效率倍增
耦犁,新式铁制犁具,结构精巧,设计合理,由犁底、犁梢、犁辕、犁铧、犁壁组成,全铁打造,坚固耐用。
古代耦犁
相较于传统木耒、铁锸,耦犁优势显著:
耕作深:犁铧锋利,可深耕至一尺,打破硬土层,充分发挥土地肥力;
效率高:采用“二牛三人”协作模式,一人牵牛,一人扶犁,一人播种,一日可耕作数十亩,效率是传统农具的三倍以上;
质量好:耕作均匀,土地
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