refractometer
Inventory Number2011-1-0066
ClassificationRefractometer
Maker
Franz Schmidt & Haensch
1864-present
Dimensions36.4 x 40.5 x 14.5 cm (14 5/16 x 15 15/16 x 5 11/16 in.)
DescriptionMetal instrument on a metal base. Metal plaque on base: "FRANZ SCHMIDT & HAENSCH / Werkstätten für / wissenschafliche Instrument / BERLIN, S.42"
Signedon plaque on base: FRANZ SCHMIDT & HAENSCH
Carl Zeiss Jena
Date: circa 1926
Accessories: wooden box with two hook-and-eye latches to fasten front opening; in instrument file: instruction book (photocopy); Geissler tube labeled "H2"; carboard tube containing German thermometer C in stainless steel holder that screws into instrument; glass bottle with cork stopper labeled "Monobromnaphthalin, Germany nD=1 658"; small round cardboard box labeled "For Pulfrich Refractometer" containing one tubulure
Object number: 1996-1-0229
Warmbrunn, Quilitz & Company
Date: circa 1913
Object number: 1998-1-0483
Carl Zeiss, Optische Werkstätte, Jena
Date: circa 1900
Accessories: case; tube adapters (2); graduated circle
Object number: 1996-1-0535
Carl Zeiss, Optische Werkstätte, Jena
Date: circa 1900
Accessories: case; instruction manual (in instrument's file); key for case; calibration glass plate (Justierplättchen) N/d= 1.5177
Object number: 1996-1-0533
Bausch & Lomb Optical Company
Date: 1930-1940
Accessories: case; thermometer; immersion prisms (5); calibration cells (3); other prism
Object number: 1996-1-0682