Mechanical Devices in the Home
CHAPTER VI. FIRELESS AND STEAM COOKERS 50
47. The fireless cooker. 48. The stones of fireless cookers. 49. Heating the stones. 50. Care of the cooker. 51. Other devices belonging to cookers. 52. Directions for using the cooker. 53. Time of cooking food. 54. Gas cookers. 55. Steam cookers.