NIAGARA

INTER AND AFTER COOLERS FOR AIR OR GAS COMPRESSORS; ENGINE JACKET WATER COOLERS; DEHUMIDIFIERS WHICH CONTACT THE GAS TO BE DRIED WITH A HYGROSCOPIC LIQUID; CONCENTRATORS FOR RESTORING THE CONCENTRATION OF AQUEOUS ANTIFREEZE OR HYGROSCOPIC SOLUTIONS AND IN WHICH THE SOLUTION IS HEATED TO A DEGREE EITHER TO VOLATILIZE THE WATER AS STEAM OR TO EVAPORATE THE WATER INTO A PASSING STREAM OF FRESH AIR; INDUSTRIAL EVAPORATIVE COOLERS AND CONDENSERS FOR LIQUIFYING GASES AND WHICH HAVE COILS OVER WHICH STREAMS OF WATER AND AIR ARE PASSED; SMOKEHOUSE CONDITIONING UNITS WHICH MAINTAIN THE TEMPERATURE, PURITY, HUMIDITY, AND SMOKE CONCENTRATION OF THE ATMOSPHERE WITHIN THE SMOKEHOUSE AT DESIRED LEVELS; CONDENSERS WHICH HAVE COILS IN WHICH GASES ARE LIQUIFIED AND OVER WHICH AIR IS PROPELLED BY MOTOR OPERATED BLOWERS