I scored this neat little iodine pencil on etsy not long ago. The design is fabulous, the glass iodine tincture container screws into another protective container, which I believe is a thicker glass although I am not sure. A little searching indicates that this item may be pre-1939 although I cannot be sure as I have no images with which to compare:
science museum group
science museum group
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| Boots Iodine Pencil, protective container |
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| Boots Iodine Pencil |
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| Boots Iodine Pencil |
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| Boots Iodine Pencil |
