Two men holding dangerous substances as if they were string-puppets (marionettes); representing the need for care with hazardous substances in the workplace. Colour lithograph for the Centrum Gezondeidsbevordering op de Werkplek, 200-.

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Credit

Two men holding dangerous substances as if they were string-puppets (marionettes); representing the need for care with hazardous substances in the workplace. Colour lithograph for the Centrum Gezondeidsbevordering op de Werkplek, 200-. In copyright. Source: Wellcome Collection.