细节
WATSON & SON, London
A lacquered-brass binocular petrological microscope, No. 1200, with dividing eyepieces, prism, rack-and-pinion and fine focusing, circular mechanical stage with silvered scale divided 10°-360°, sub-stage condenser and plano/concave mirror, on raised foot with silver presentation plaque engraved Presented to William Hobkirk as a token of esteem and in recognition of valuable service rendered to the United Methodist Free Church Cramlington October 9th 1880 -- 15½in.(39.5cm.)high, with bench condenser, sub-stage condenser, objectives and other items, all in fitted mahogany case
A lacquered-brass binocular petrological microscope, No. 1200, with dividing eyepieces, prism, rack-and-pinion and fine focusing, circular mechanical stage with silvered scale divided 10°-360°, sub-stage condenser and plano/concave mirror, on raised foot with silver presentation plaque engraved Presented to William Hobkirk as a token of esteem and in recognition of valuable service rendered to the United Methodist Free Church Cramlington October 9th 1880 -- 15½in.(39.5cm.)high, with bench condenser, sub-stage condenser, objectives and other items, all in fitted mahogany case