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DuPont plastic combs, toothbrushes, nail and hand brushes
Exton toothbrush demonstration at 1939 New York World's Fair
DuPont Reach tooth brush design concept
DuPont Reach tooth brush design concept
DuPont Toiletries
Edward Burke operating cut-off machine for tapered nylon bristles
Trimming the bristles during manufacture of toothbrushes
Final inspection of bundles of toothbrush bristles
Separation of bristles in manufacture of toothbrushes
Bristles and brush samples
Sieving reversed bristles during manufacture of toothbrushes
Toothbrush manufacture at the Leominster, Massachusetts plant
Hank cutter for nylon brush bristles
Preparing bristle for toothbrushes
Preliminary step in the manufacture of toothbrushes
Inspecting bristles for toothbrushes
Bundling bristles for toothbrushes
Cut off machine for use in toothbrush manufacture
A Preliminary Summary of the Research Findings Concerning the Introduction and Sale of Electric Toothbrushes, in France
Etude Motivationnelle sur le Probleme concernant le Lancement d'une Brosse a Dents Electrique en France (French)
Proposal for a Survey of Dentists' Attitudes toward Broxodent
Current Attitudes of Dentists toward Broxodent
Proposition pour une Etude sur la Brosse a Dents 'Broxodent'
Motivational Study on the Problem Concerning the Launch of an Electric Toothbrush in France (English)
Evaluation of an Advertisement for E. R. Squibb & Sons (Broxodent Automatic Toothbrush)

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