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Subjects
- Acne--Treatment.1
- Bleaching.1
- Building materials.1
- Copying machines.1
- Copying.1
- Cosmetics.1
- Dyes and dyeing.1
- Engraving.1
- Eyeglasses.1
- Formulas, recipes, etc--Periodicals.1
- Formulas, recipes, etc.--History--19th century.1
- Freckles.1
- Glass.[remove]1
- Gunpowder.1
- Hair growth stimulants.1
- Hair--Removal.1
- Ink.1
- Insects.1
- Matches.1
- Metal detectors.1