Signedon back of mirror: SPENCER LENS CO. / Buffalo, N. Y.
Inscribedscratched on mirror back: XIII
painted on lid of case: 37
penciled on underside of case: 37
inked on sticker on side of case: 37 / R-9
Historical AttributesThis instrument is marked with "R-9," which might indicate that it was used in a Radcliffe teaching laboratory.
Primary SourcesSpencer Lens Company, Catalog of Spencer Products including Microscopes, Microtomes, Delineascopes and their Accessories with Other Scientific Optical Instruments (Buffalo: Spencer Lens Company, 1924), 69.