Mechanical Devices in the Home
CHAPTER XVII. ICELESS REFRIGERATORS; WATER COOLERS 105
124. Comparative efficiency of iceless refrigerators. 125. Iceless refrigerator. 126. Small cooler. 127. Covered pail. 128. Unglazed earthenware. 129. Cooling with running water. 130. Refrigerating plants. 131. Water coolers. 132. Care of water coolers.