 Complete the following phrase:  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 