Ross, London, #4001 c. 1875

Binocular Jackson model No. Ia

Tube marked "Wenham's Binocular by Ross London"

Ross, London, #4001

Ross, London, #4001 . Substage

Ross improved Gillett condenser

The achromatic condenser is marked: Ross, 2053, London. It has two diaphragm disks that can be used in combination where each is controlled by a milled knob. The upper disk has conventional graduated apertures while the bottom disk has apertures for dark field and oblique illumination.

This is an example of the Ross improved Gillett achromatic condenser. It is marked: Ross 2053, London. It has two diaphragm disks that can be used in combination where each is controlled by a milled knob. The upper disk has conventional graduated apertures while the bottom disk has apertures for dark field and oblique illumination. Compare this with the earlier form of the Gillett condenser.

Ross, London, #4001 microscope

Ross London binocular microscope serial number 4001

Ross Jackson-limb microscopes

Ross Jackson limb binocular microscope

Remarks on the Binocular Microscope by F. H. Wenham

See: Ross of London chronology by T. Wayland

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