A Large & Fine English Polarising Microscope, R & J Beck

English, dated 18 from the Beck records, engraved to the foot 'R & J Beck LONDON & PHILADELPHIA' and numbered 11354, the microscope standing on a large tri-form base with 2 brass feet to give extra height, microscope raised on 2 turned brass columns supporting the main body on conical trunnions, plano-concave mirror on gimbal on triangular column, mechanical substage with goniometer scale, X-Y control, geared focus, large polariser, large goniometer full circuit stage with X-Y control, fine focus screw to rear of limb, body tube with centring nosepiece, slide in/out polariser, rack and pinion to top of body tube, in large French polished cabinet with glazed door, with a large amount of accessories including:

Medium power eyepiece.
Medium power eyepiece with micrometer.
high power eyepiece.
Eyepiece adapter.
Eyepiece spectrascope engraved Browning.
Eyepiece polariser.
Zeiss objective and can engraved D
1 1/2 objective in can engraved R & J Beck.
Substage Selenite filters.
Side reflector on arm
Bullseye on arm.
Selenite stage engraved Watson
Large Bullseye condenser.
and other items