d by an air use. It has an oval form, is made of the best rubber, action on the instrument for which they were designed or water chamber, or by drums, or by other suitable with a pipe attachment for inflation, and is in turn in- was perfect, and no sparking could be observed between cased in a… … been seriously impressed by it. Men of genius have The ball is inflated by means of a small hollow tube Figs. 1 and 2. CUTTRISS' TELEPHONE TRANSMITTER, not, as a rule, been mad, except with an insanity of a called a key, which fits into a cylindrical valve in the WITHOUT ELECTRODES. scientific and…
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