A similar microscope by Charles Collins, unlacquered, with 6 eyepieces, Inch, ¼ Inch, ½ Inch, 1 Inch objectives, signed H. Crouch London, sub-stage, Abbe condenser with iris diaphragm, bull's-eye condenser and other items, in fitted oak case with brass carrying handle - 20½in. (52cm.) high.