Zaman & Company's porphyry quarry at Quenast, Belgium, 1830-1860.

Tinted lithograph by Canelle entitled 'Carrieres de paves de porphire de Zaman & Cie a Quenast'. From a series called 'Belgique Industrielle' ('Industrial Belgium') produced between 1830 and 1860, edited by Geruzet and printed by Simonau & Toovey.