SIM – Plate 37b
Plate 37, Fig. 71, the same experiment carried out between 10 p.m., the 30thSeptember, and 2 a.m., the 1st October:The Iron has increased its activity and overpowered the silver to a great extent. Only at the bottom the characteristic arrows appear,and they are again much smaller, returning to their normal growth. The rising height has decreased considerably. No external reason is to be found for this phenomenon.Temperature and humidity were the same in the room.