ABSTRACT

To recording instruments, meteorology is also largely indebted for the remarkable progress which it is making, and which will soon place this branch of knowledge in a condition to supply the most striking illustration of the difference between a science founded on accurate measurements and a mass of vague observations. A special feature of recording instruments may be exemplified by certain applications of the principle to the investigation of physiological actions. Meteorology has received a great impulse from the introduction of recording instruments; and the vast number of results which are now hourly recorded must lead to the certain development of the science, and its reduction to exact laws. The phonograph diners from the phonautograph by giving up what it has registered in the original form and material, and thus it is a speaking machine. The capabilities of the phonograph suggest some curious applications that may be made of it.