This microscope was owned by
Dr. John Edward Marsh who studied in Heidleberg Germany in
the 1860's and practiced in the USA. According to the Zeiss archives (see below), this instrument is Stand II. It was
manufactured on Oct. 30, 1867 and purchased in Jena
on April 29, 1868. It came supplied with two objectives
stored in a small leather case and two eyepieces. It was purchased for
this collection in the USA from a descendent.
The following note appeared in The class of sixty-one, Yale college-1864:
John Edward Marsh,was born in Rahway, N.J., Aug. 17tb, 1840, and left College in Aug.,1858, since which time he has resided mainly in Europe, spending a year at Freiburg studying the language and attending lectures at the University. He then became a student of Philosophy at the Royal University in Munich, and remained there until the Summer of 1861, when he became connected with the College of France, in Paris. Since Dec., 1863, he has been traveling, and recently returned home, but expects soon to leave for Europe again for the purpose of continuing his studies.
Carl Zeiss (1816-1888)