Lot 290 , An early 20th century brass compound monocular microscope, by R & J Beck, Ltd., London, number 33007, with accessories including spare lenses, a free standing magnifier and objectives, mahogany cased; 34.5cm high, 19cm w

An early 20th century brass compound monocular microscope, by R & J Beck, Ltd., London, number 33007, with accessories including spare lenses, a free standing magnifier and objectives, mahogany cased; 34.5cm high, 19cm wide, 23.5cm deep
£70-100