Evening Republican, Volume 21, Number 128, Rensselaer, Jasper County, 7 June 1918 — Scientific Facts. [ARTICLE]
Scientific Facts.
To enable photographers to make portraits with artistic backgrounds translucent shades to be- hung over windows have been patented bearing pictures of window casings and landscapes. That different classes of mankind can be distinguished by their hair is the theory of a French scientist who believes there is some relation between the hair and strength of body and mind. A form of detectaphone small enough to be worn tinder a man’s shirt front and record conversations on a cylinder , attached to his belt has been patented by a resident of Washington, D. C.
