[2] To Attempt to Run an Automobile without Knowing how would be Regarded as Foolhardy
[6] Where Sun-Power is Made into Food for Us
[8] The Food Route in the Digestive System
[10] The Salivary Glands
[14] A Section of the Lining Surface of the Stomach
[15] A Longitudinal Section of Stomach, or Peptic, Glands
[23] A Cheap Home-Made Ice Box
[30] A Baby-Milk Station
[33] Clean, Dry Sunning Yards at a Model Dairy
[34] Cleanliness before Milking