Wilson Screw Barrel Microscope Outfit, English, mid-18th century, unsigned, with a splendid turned ivory handle.  The instrument is constructed of brightly lacquered brass.  A spiral brass spring holds the stage against the large screw, mounted with condensing lens.  Six numbered objectives are provided with 4 brass dome type covers present.  Accessories include:   one brass slide with live wells, 5 ivory sliders,  hand lens, and thumb forceps, all contained in a fitted mahogany box complete with working key.  All is in VFC.