De Wecker's ophthalmoscope (cased), De Wecker, inventor (type), made by Collin and Co., France, c. 1873 De Wecker's ophthalmoscope (cased)
Two pairs of De Wecker's iris scissors, metal, gilt, by Collin of Paris, 1870-1930 Two pairs of De Wecker's iris scissors
Wecker's advancement hook, steel, nickel-plated and gilt, by Collin of Paris, 1870-1930 Wecker's advancement hook
Two pairs iris scissors, Wecker's, steel, nickel-plated, by Collin of Paris, c. 1890 Two pairs iris scissors