Vanish'd is the feverish dream of life

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The gravestone of the chartist leader Samuel Holberry, "who at the early age of 27 died in York Castle, after suffering an imprisonment of 2 years and 3 months, June 21st 1842, for advocating what to him appeared to be the true interest of the people of England."

This is followed by a verse.

Vanish'd is the feverish dream of life,

The rich and poor find no distinction here,

The great and lowly end their care and strife,

The well beloved may have affections tear.

But at the last, the oppressor and the slave,

Shall equal stand before the bar of God,

Of him, who life, and hope, and freedom gave,

To all who thro' this vale of tears have trod.

Let none then murmur 'gainst the wise decree

That open'd the door, and set the captive free.

Seemingly much of the Romantic Era.  Some slight echoes of Wordsworth.