Deseret Evening News | 1904-01-28 | Page 8 | An Automatic Sprinkler

An A 1 A Automatic Sprinkler I Chicago 28 SAn An automatic sprinkler 1 In IlL which the tho lion How of or Water Is III controlled electrically hUll hue been heen given I n n II test here lucre It was Willi devised by hy it Il ayoung young Chicago The expansion sion by Ii b lucid heat of ot it a 1 metal strip closes an 1111 circuit und and tutu causes CIU a It I current to now low hIo through tho ho colls coli II of or an nil electro electra electromagnet magnet which IH hi II part of ot tho lie valve alo mechanism An n Iron plunger which closes thin the volvo valve opening and II nIl Is III held heid heidIn In place by h the water pressure Is I at lit attracted meted t by h tho the temporary magnetism tOil and water lions Down through the tho sprinklers lets lers When the metal strip I trl cools It the tho circuit lIlt tho the operation Is III reversed turning off oft the th water The Flue rh current while Mowing also rings nn on alarm