Mike Titford - Gruebler dyes
This note is addressed to Michael Titford - can't find his e-mail address,
and this may be of some interest to the whole list.
I have some bottles of Gruebler dyes that were ancient when they were
discarded in the department of pathology at Johns Hopkins around 1972. The
labels have turned dark brown and would be most difficult to photograph. I
don't know anything about the history of these bottles. They've been at room
temperature in the dark for the nearly thirty years I've had them.
The labels read (umlauts spelled out):
Leichtloesl. Berliner Blau Ia. [one ay], Dr. G. Gruebler & Co., Leipzig.
Round seal: Dr. G. Gruebler & Co., Leipzig. Separate label: made in Germany.
50 gr. Benzoazurin [handwritten]. Physiol-Chem. Laboratorium Dr. G. Gruebler,
Anilinblau. Dr. G. Gruebler Leipzig. A separate label reads Arthur H. Thomas
Laboratory, Philadelphia, and some more words I can't read.
Fuchsine S Acid. Dr. G. Gruebler & Co., Leipzig. A small diamond-shaped G &
Co. label reads Dr. G. Gruebler & Co., Leipzig. Inh. Joh. u. Albr. Schmid.
In this same box, possibly from an unrelated source, I found Hematoxylin
(Delafield) 1 oz. Lot No. 7549. National Aniline and Chemical Co., Inc.,
Pharmaceutical Division. New York. National Medicinal Products. A separate
label is from Central Scientific Company.
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