R. & J. Beck · ca 1890
Beck’s Improved National Monocular Microscope is a compound instrument with coarse and fine focus, circular stage, sub-stage bar that holds condenser and mirror and that can swing around the stage, inclination joint, and tri-leg base. This example came from the U.S. Military Academy. The inscription on the base reads “R. & J. BECK / LONDON & PHILADELPHIA.” The serial number 10198 appears on the back of one foot. There is a strong wooden box, and small wooden box holding 3 objectives and 3 eyepieces.
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