Light meters including a Heydes Aktinometer, Kelvilux, Plaubel & Co. actinometer, Zeiss Ikon Ikophot, a Wetson Direct Reading exposure meter, Largodrem, Wetson Ciné model 819, Gossen Sixti, Wetson model 650, a large Heydes Acktinometer in maker's box, a Rhamstine Electrophot meter and others. (15)