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#Mon Aug 09 11:58:44 CEST 2010
Slide__saOeQKOcEd-WfYQ0GneCwQ_title=Are Heavy and Inert Mass Equal?
Slide__saOeQKOcEd-WfYQ0GneCwQ_footer=On loan from\: Private collection
Slide__saOeQKOcEd-WfYQ0GneCwQ_subTitle=Einstein to Wilhelm Wien, 10 July 1912, reproduction