2012-02-072012-02-07Early part2012-02-07http://hdl.handle.net/2152.3/339An example of the Jones's "Most Improved Compound Microscope," this instrument has a folding tripod base and a pillar that supports the limb by a compass joint. The limb carries the stage, condenser, mirror and body-tube. The stage moves by rackwork. Signed: W & S Jones. 30 Holborn, London.enMicroscopyOpticsBritish FirmsBiology