An Exceptionally Fine Powell & Lealand "No. 1" Compound Monocular/Binocular Microscope

English, dated 1898, signed in script to the top of the bar-limb ‘POWELL & LEALAND, 170 Euston Road, London’, of standard No.1 construction standing on a massive lacquered tripod base with rectangular feet each with cork pads, trunnions to the top supporting the body, with large plano-concave mirror to the base as typically supported on one side at the end of an articulated arm sliding on a collar, above which is the fully mechanical stage with X & Y control via screw and rotation controlled through a crown and gear, with focusing via rack and pinion to the rear, with platinum circular scale and vernier, rotation controlled via a crown and gear mechanism that can be disengaged for quick movement, with large Turrel-type mechanical stage with X-Y control, main course focus to rear of body, bar-limb incorporating fine focus lever mechanism, nose piece with prism blanking plate, limb with threaded boss to accept binocular or monocular tubes, the microscope comes with the following accessories in a mahogany case: Pair of Binocular eyepieces