WÊÈÊÊÈÉÉ STEPHEN PRATrS STEAM BOILER WORKS (Established 1865.) Manufr of High and low Pressureand Stcatn Heating Boilers of all kinds ; smok pipes, breaching-s, etc. Old boilers taken in ex chang-e for new. Rivets, boiler platcs and boiler tubrvor sale. Cor. Foundrr st , and Mich. Central R.R. tracks. DETROIT MICH.