2012-02-072012-02-07About 18602012-02-07http://hdl.handle.net/2152.3/379The tripod base, consisting of a tubular structure, supports the limb, which carries the body-tube, stage, condenser, and mirror. Focusing is by the fusee chain mechanism. It sits on a wooden platform and comes with accessories and a mahogany case. Signed: W. Ladd, 31. Chancery Lane, London.enBiologyBritish FirmsMicroscopyOptics