W. Ladd. Beak St. Regent St. W. c. 1864

W. Ladd Beak St. Regent St. W. c. 1864

Monocular microscope with chain drive focusing

W. Ladd . Beak St. Regent St. W. c. 1864

W. Ladd . Beak St. Regent St. W. c. 1864. Stored in the case.

Movement of both the coarse focusing of the tube and the mechanical stage of this microscope utilize a fusee chain.

Ladd Student Microscope

More information is available in the 1861 W. Ladd Catalog.

substage