第66章知识
up the fire.
烧砖工作继续了四十八小时,结果完全成功。接着还需要等热气腾腾的半成品冷却下来,在这期间,纳布和潘克洛夫由赛勒斯?哈顿带领着到湖的北边去,把那里的石灰石和普通的石头用一个树枝编成的筐子装了一大批回来。经过加热,它们就分解成一种浓度很强的生石灰,经过沸化,生石灰的体积大大膨胀了。它们的质地非常纯粹,至少和白垩或碳酸钙烧成的一样。把石灰和细沙搅拌在一起,就成了上等的灰泥。
the operation lasted forty-eight hours, and succeeded perfectly. it then became necessary to leave the smoking mass to cool, and during this time neb and pencroft, guided by cyrus harding, brought, on a hurdle made of interlaced branches, loads of carbonate of lime and common stones, wh
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