Lacquered Brass Griffith Club Microscope by Bausch & Lomb

Lacquered Brass Griffith Club Microscope by Bausch & Lomb, Serial No. 1019, engraved “E.H. Griffith, Pat. Ap'd. For, Fairport, N.Y.”, with rack-and-pinion coarse focusing that engages a sprung worm gear via slotted wheel for fine focusing, circular black glass stage, plano / concave mirror on swing-arm with silvered scale calibrated 90-0-90°, on tapering brass pillar threaded to circular foot with nickel-plated ball supports, ht. closed 11 in., in fitted velvet-lined and gilt-tooled case containing two a B & L Optical Co. 1/12 brass objectives in marked canister. On the microscope are mounted E.H. Griffith 2/3 and 1/5 objectives. Also mounted on the microscope are Gundlach optical company accessories. 

In the original case (case leather worn overall and missing on lid). Also included is a handheld microscope and two books a 1891 copy of “The Microscope and its Revelations” by William Carpenter and a1890 copy of “How to use the Microscope” by John Phin and three boxes of prepared slides mostly of specimens collected in Texas

Note: Manufactured by Bausch & Lomb from an unusual design by Ezra H. Griffith, the foot of this microscope converted for use as a slide-preparation table.