Show secure by water there the re it is on exhibit exhibitor on it in boston a model of a cell for prisoners from which a criminal would find it practically im possible to attempt to escape without giving an alarm that would bring a guard rushing up to his door or the steel tubes ol 01 which the cell is composed were broken or even cracked says the philadelphia news the protection is not afforded primarily by electricity although electricity plays a part in the device the chief protective agent is water which fills every length and every joint in the steel tubes forming formino the entire cell flie fhe water gateris Is maintained in the tubes at a certain pressure indicated on a guage in the watt watch limans mans room and the slightest decrease in pressure 0 this water tuch such as would be made by the cracking of a tube so that no more than a cubic inch of water could coul d escape would release the pointer on the gauge allowing it to turn slightly and thus make an electric connection with an air electric bet bel the bell then rings c ap tenuously until the circuit is broken by the watchman atthe at the same rame time that the bell rings on an above is IF shown show the number of the cell where the water is escaping from the tube unlike modern cells tha are made with solid steel barn bar the floors and cell ceil ingao ing donot riot have to be made of steel plates through which the criminal can often cut his way or on which his movements in the cell keep up a continuous noise sufficient to lo make the cell room too noisy for the watchman to heartha hear the slight elight sound of a saw raw or an augur in a particular cell this diw new vell cell is a cage the sides poor floor ceiling and door are all made of steel tubes set to so closely together that they could not be sprung apart to any advantage even the hinges and the bolts of the door are filled with water always ready to give the alarm II 11 f its pressure is changed in the slightest degree yet in buch a a manner that the prisoner cannot make any at tempt to break or cut his way out of the cell without changing the pressure st louis republic |