MoMA | The Collection | Reinhold Weiss. Desk Fan (model HL1). 1961

via http://www.moma.org/collection/browse_results.php?criteria=O%3ADE%3AM%3A1%2C2%7CA%3AYM%3AB%3A1960-1969&page_number=361&template_id=1&sort_order=1