Static charge produced by friction between the skin and cloth or clothes each other was measured. The matarial was chiefly clothe of textile yarn, it was cut to a test piece 6 × 6 cm and fixed around the edge of a drum. With the test piece fixed on the drum the skin or the cloth was rubbed, and the charge then produced on the test piece was measured. The results were summerized as the following.
1) The static charge produced by friction of the skin with the test material made of textile yarn, the clothes made of which contact with skin in daily life, measured some what largevalue about 10-20 volt with positive or negative sighn.
2) The charge produced by reciprocal friction of the test materials, the clothes made of which does not contact with the skin directly, measured about 20-30 volt, when one of it was textile yarn.
These results were discussed and the conclusion was derived that the charge produced when the clothes was put on wear in daily life was not measured exactly but would not be so large as to affect upon the physical condition even if the clothes would produce static charge of some value when it was weared.