R
Rack for canner, [172]
Radiation of heat, [57], [61], [62], [79]
Radiator, [64], [68], [69], [70], [71]
Radiator, gas, [77], [78], [79]
Reading meters, [231], [232], [238], [239]
Reflector, [77], [78], [80], [81]
Refrigerating plant, [108]
Refrigeration, principles of, [100]