The company manufactured and sold astronomical telescopes, spyglasses, binoculars, microscopes and opera glasses. The telescopes included both equatorial and azimuthal models with silvered glass mirrors (10, 16, 20 cm). Between 1867 and 1891 the Bardou company won numerous awards at expositions of Le Havre, Philadelphia, and Paris, including a gold medal at the Exposition Universelle in Paris in 1889. It furnished optical instruments to the French Ministère de la Guerre, Ministère de la Marine and to foreign governments.