Binocular Microscope
by R & J. Beck, c. 1890
Large English precision instrument, engraved on the base
"R & J. Beck, London", serial no. 15784,
original lacquered brass, plano mirror on swing-arm,
4 ivory grips, height 20 in. With accessories
including 2 eyepieces and 4 lenses, in later wooden case.
Estimate: € 1.500/2.000
US$ 2,000/2,700
Reserve: € 650/US$ 878
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