Human proportions in plates from Traite Complet de la Peintore by Jacques-Nicolas Paillot de Montabert. Jacques-Nicolas Paillot de Montabert was born in 1771 and died in 1849. He painted scenes of the rule of Napoleon I. Wikipedia article.
The Traite Complet de la Peintore (Complete treatise on painting) was composed of nine volumes and a volume of plates, Chez Bossange, (Paris) 1829. These images are from the volume of plates. You can see the complete volume at Gallica Bibliotheque Numerique.
Proportions of the figure as skeleton and muscular system.
Proportions of the head, proportions of the hand and foot.