Show A now new york inventor has obtained a patent on a device designed to discourage hens from the not always laudable or desir able ambition to set it consists of several hollow nest eggs johnv A ed in series by connecting tubes so arranged that cold water can be kept circulating through the egus I 1 A french surgeon has invented an instrument called a radio graphic compass by means of which foreign bodies can bo located in the tissues of the human body with mathematical precision and can be extracted without injury to the neighbor ing organs some time ago by the ai aid id of the device he successfully removed a shrapnel bullet from a french soldiers heart and the man recovered |