Anyone looking at this very popular lithograph would immediately see that she has some dignity left.

每一个看这幅平版印刷画人快发现她仍然持着自己尊严。

And so this is another lithographic milestone here that's helped to preserve it.

因此，这是另一个有助于存它平版印刷里程碑。

Milton Bradley was a young lithographer—basically a printer—in Massachusetts when he made a thousand prints of this man running for president in 1860.

当弥尔顿·布拉德利在马萨诸塞州为1860年竞选这个人制作一千幅版画时，他还是个年轻平版印刷工——基本上就是个印刷工人。

And what we see is extremely regular thin beds that extend for kilometers and exceptional preservation of soft-bodied material in what's called lithographic siltstone.

我们看到是极其规则薄层，绵延数公里，并且在所谓平版粉砂岩中存了特殊软体材料。