Leitz integrating stage for petrographic microscope
Date: circa 1930
Inventory Number: 1999-1-0020b
Classification: Microscope Stage
Subject:
Maker: Ernst Leitz (company) (1849 - 1986)
Owner: Benjamin Martin Shaub (1893 - 1993)
Cultural Region:
Place of Origin:
Dimensions:
7.5 × 19 × 19.3 cm (2 15/16 × 7 1/2 × 7 5/8 in.)
case: 10.3 × 25 × 23 cm (4 1/16 × 9 13/16 × 9 1/16 in.)
box: 20.3 × 30.5 × 26 cm (8 × 12 × 10 1/4 in.)
Accessories: supplemental stage; two screws; case
Bibliography:
Leitz Polarising Microscopes and Accessories
Description:
This is a Leitz integrating stage for the Leitz petrographic microscope [1990-1-0020a]. It is equipped with 6 independent measuring spindles, each with a micrometer drum. The stage has a vernier. Two small stage clips are present. There is a small supplementary stage.
A flat, fitted case is made of wood and covered with black leather. It is lined with burgundy velvet.
A flat, fitted case is made of wood and covered with black leather. It is lined with burgundy velvet.
Signedon instrument and on case: E. LEITZ / WETZLAR [in achromat trademark]
on little stage: Germany
on little stage: Germany
Inscribedon case: Integrationstisch
on instrument: 251 / D.R.P. / Ausl. Pat.
on instrument: 251 / D.R.P. / Ausl. Pat.
FunctionThis instrument is for the planimetric analysis of minerals. By means of 6 independent measuring spindles, the proportional amounts of six different components may be summed in one operation.
Historical AttributesThis instrument was owned by Dr. Benjamin Shaub, Smith College, Northampton, MA.
Primary SourcesE. Leitz, Inc., Leitz Polarising Microscopes and Accessories (New York: E. Leitz, Inc., 1936), 81-82.
ProvenanceDr. Benjamin Shaub, Smith College, Northampton, MA
