Signedon instrument and on case: E. LEITZ / WETZLAR [in achromat trademark]
on little stage: Germany
Inscribedon case: Integrationstisch
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