34 INDUSTRIAL AND COMMERCIAL WATER HEATING UNITS, AND UNITS FOR RECOVERING ENERGY FROM DIESEL OR GAS FIRED ENGINES, SAID ENERGY SUBSEQUENTLY BEING USED FOR THE CREATION OF ELECTRICITY AND STEAM OR HOT WATER
THE MARK IS A "K" DESIGN COMPRISING A VERTICAL MEMBER HAVING ADJACENT THERETO A HALF SECTION BAFFLE AND TUBE SUPPORT FOR A SHELL AND TUBE HEAT EXCHANGER.