signed on the base Ross London 3177 and on the tube collar Wenham's Binoculat by Ross London, the large format stand with dual adjustment to the eyepieces, focusing by rack and pinion and lever and calibrated screw, rotating stage and large plano/concave reflector, in mahogany case with double doors fitted with four oculars, Ross 1/15, 1/6, 2/3, 1 1/2, 1/10 and 3in objectices, two substage condensers, one with iris diaphram, the other with wheels of stops, dark ground condenser, when constructed, microscope 19in (48cm) high
signed on the base Ross London 3177 and on the tube collar Wenham's Binoculat by Ross London, the large format stand with dual adjustment to the eyepieces, focusing by rack and pinion and lever and calibrated screw, rotating stage and large plano/concave reflector, in mahogany case with double doors fitted with four oculars, Ross 1/15, 1/6, 2/3, 1 1/2, 1/10 and 3in objectices, two substage condensers, one with iris diaphram, the other with wheels of stops, dark ground condenser, when constructed, microscope 19in (48cm) high
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