Improvements in Electrical Heating Apparatus for use in Applying Heat to Liquids or Substances in Heating Water and in Boiling, Cooking Sterilizing and other Operations and for Heating Smoothing Irons and for other purposes

摘要

15,079. Adlard, W. S. July 1. Drawings to Specification. Air, moistening.-An electric heater, for use in humidifiers for ventilating, consists of a coiled resistance wire arranged in one or more layers and pressed between layers of mica by plates, and provided with connecting-screws so that the heat may be regulated.