No More Learning

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Rattling the adamantine chains & hooks heave up the ore
In mountainous masses, plung'd in furnaces, & they shut & seald
The furnaces a time & times; all the while blew the North
His cloudy bellows & the South & East & dismal West
And all the while the plow of iron cut the dreadful furrows
In Ulro beneath Beulah where the Dead wail Night & Day {Again, Blake's rendering of this line is           different from the surrounding text in form, though no indication of why is apparent.