> two workers who fell into the slurry cart

Noted as "unverified":

Here Lyeth ye body of
Martn Hyde
He fell down a Midden
and grievously Dy'd
James Hyde
his Brother
fell down another
They now lie interr'd
side by side

Fritz Spiegl (ed): A Small Book of Grave Humour. The book is a paperback, cut in the shape of a tombstone.