GRAND VAN HEURCK MICROSCOPE:

c. 1910

Maker: W. WATSON & SONS LTD.

Serial number: 12345

You will note that the engraving does not show all the options on the microscope here. Among these are the rack and pinion rotation to the stage, the silvered scale calibration to rotation of the stage, centering and locking controls to the stage, the rack and pinion rotation to the substage, and the spindle milled two-speed fine adjustment. The optional graduations to vertical and horizontal stage movement are shown in the engraving.