Englsh, c.1770, unsigned but similar in design to instruments built by John Cuff, the microscope when assembled fits inot a brass boss on the top of the lid, with rectangular sectioned support with hole at base for plano-concave mirror internally cut rack and pinion to focus stage, stage with internal sprung slide holder and lug to hold stage condenser, compound body tube, in fitted case covered in Ray skin lined with French silk velvet, complete with objectives and livebox, case 16.5cm