MICROSCOPE-ANTIQUES.COM © 2013-15.
MAKER: R. AND J. BECK
MODEL: 'IDEAL'
c. 1881
SIGNED:'W.H. WALMSLEY & Co, PHILADELPHIA, SOLE AMERICAN AGENTS' on one toe of the flattened tripod foot, and 'R & J BECK, LONDON' on another toe
SERIAL NUMBER: 11844
This page shows the Ideal Model with an optional achromatic substage condenser by Beck. This condenser has a swing-out filter/stop holder, and an iris diaphragm. Having the standard RMS nosepiece thread, it can accept any objective as a condenser.