Glass bottle with a glass stopper that is covered with a piece of leather with string wrapped round. Handwritten label reads "Syrup of the Iodine of Iron". Second label has handwritten instructions "10 to 30 drops for a dose" and printed company name "Twinberrow, Dispensing Chemist, 2, Edwards Street, Portman Square." From A Treatise On Therapeutics, And Pharmacology Or Materia Medica Vol1 | by George B. Wood, 1867:
“Iodide of iron is prepared by simply mixing the two ingredients together, with the presence of water, which dissolves the resulting compound, and, after filtration, yields it by evaporation. The iron is employed in the state of filings, or of wire; but the latter is preferable, as it is in general purer. The preparation consists of one equivalent of iron, one of iodine, and five of water; but, if considerable heat is employed in drying it, the proportion of water is smaller. It should be kept in a well-stopped bottle.
Savory 1836, p.48: “Ioduret of Iron and Hydriodate of Iron. Both these preparations have lately been much employed in fluor albus [leucorrhoea, vaginal discharge] and obstruction of the menses. The hydriodate of iron has been prescribed in the form of lozenges in the following manner: (…)”