collectible item from 18th century. three eyepieces numbered 0, 1, and 3, four objectives marked 3, 7, 8 and 1/12 an Abbe condenser with double mirror attached, an alternate mirror assembly for use with the slide-in aperture stop holder with three stops, a series of stops and filters for use with the Abbe condenser, a double objective changer, and an eyepiece micrometer.
This instrument was one of the top of the line models sold by the firm in 1885.