Signedwritten on small box: #13 / Piece of colored Fluorite. / Marked A / by Prof. Lyman / 1 mm Thick.
written on small box: #12 / Large piece / purple Fluorite / Marked C by / Prof. Lyman. / 1 mm Thick.
written on slip of paper: Fluorite with any color is of no value in the extreme Ultra Violet. / T.h. / June '47
Inscribedboxes labeled as follows:
#4 / Green Fluorite. / 1 mm Thick. /
#14 / Piece of colored Fluorite / 1 mm Thick. /
#13 / Piece of colored Fluorite. / Marked A / by Prof. Lyman / 1 mm Thick. /
#10-11 / Two small bits of Fl. / which have been heated. / 1 mm Thick. /
#6. / Small bit / of Fluorite. / Probably same as No. 5. / 1 mm Thick. /
#7 / Small bit of / Fluorite. / Probably same / as Nos. 5 & 6. / 1 mm Thick. /
No. 9. / Small bit / of Fluorite. / Probably same as / Nos. 5,6,7, & 8. / 1 mm Thick. /
#5 / Small bit of / Fluorite. / Lightly colored. / 1 mm Thick. /
Fluorite / from Zeiss. / #2. / 1 mm Thick. /
#12 / Large piece / purple Fluorite / Marked C by / Prof. Lyman. / 1 mm Thick. /
#8. / Small bit of / Fluorite. / Probably same / as No 2., 5, 6, 7. / 1 mm Thick. /
written on slip of paper: Fluorite with any color is of no value in the extreme Ulta Violet. / T.h. / June '47; written on box lid: Fl colored bits / Opaque! / Or just visible
stamped on box lid: A. Stowell & Co. Inc. / Jewellers / 24 WINTER ST. / BOSTON
FunctionBits of fluorite to be used with the Bainbridge mass spectrometer. For more information on this type of instrument, go to the following website.
ProvenanceFrom the Department of Physics, Harvard University.