Abstract
In this paper we attempt to study apparatuses and methods to measure time. The apparatuses consist of assortment of digital electronic watches, and recorders. The digital electronic watches are handy type, and VTR type. The transducers have these watches start or stop by detecting capacitance of human body. The recorders are printer, calculator, tape recorder and VTR. And methods of time measurement in which these apparatuses are used are considered to various work and motion e.g. tape recorder , ethod, etc.
