Details
S. G. Brown Ltd.
A stereoscopic viewer by Camerascopes Ltd., London in makers' carton and a (set?) of fifteen photographic stereographs of the Brown factory and showroom, depicting the construction of loudspeakers and headphones
A stereoscopic viewer by Camerascopes Ltd., London in makers' carton and a (set?) of fifteen photographic stereographs of the Brown factory and showroom, depicting the construction of loudspeakers and headphones