They mixed the flour of wheat that had been sifted by the novices, grain by grain, with a due quantity of water; and a monk wearing gloves baked the wafers one by one over a large fire of brushwood, in an iron mould stamped with the proper symbols." "That reminds me," said Durtal, as he lighted a cigarette, "of the mill for grinding the wheat for the offering." "I am familiar with the mystical wine-press which was often represented by the glass-workers of the fifteenth and sixteenth centuries," said the Abbe Gevresin.

"That was practically a paraphrase of Isaiah's prophetic verse: 'I have trodden the wine-press alone, and there was no man with me'; but the mystic mill is, I own, unknown to me." "I have seen it once at Berne, in a window of the fifteenth century," said the Abbe Plomb.
"I also saw it in the cathedral at Erfurt, painted, not on glass, but on a panel.

The picture is by no known painter, and dated 1534.

I can see it now: Above, God the Father, a good old man with a snowy beard, solemn and thoughtful; and the mill, like a coffee mill, fixed on the edge of a table, with the drawer open below.

The evangelical beasts are emptying into the hopper, skins full of scrolls on which are written the effective Sacramental words.