An ornamental woodcut headpiece features a central female mask within a circular frame, surrounded by scrolling acanthus leaves, floral motifs, and two smaller profile faces in circular medallions. The letters "I." and "D." are integrated into the design.

TO THE MOST HIGH

AND

MOST POWERFUL LORD

MESSIR

ANTOINE RUZÉ,

MARQUIS D'EFFIAT

AND OF LONGJUMEAU, etc.

Knight of the King's Orders, Councilor in his Councils, Governor and Lieutenant General for His Majesty in the Provinces of Upper and Lower Auvergne, the lands of Combrailles and Bourbonnais, Marshal of France, Grand Master of Artillery and Superintendent of Finances.

A large ornamental drop cap 'M' is decorated with foliage and architectural elements.

MY LORD,

I come to render to you the duties of my obedience by offering you this Work; where I make the Sciences speak French, which believed they could only be well understood in the Latin language. But I strive to show on this occasion, that our language is not so