At the receiving station a cylinder - which revolves synchronously with the transmitting cylinder - is covered with a photographic film or paper, upon a point of which a pencil of light from a Nernst lamp is concentrated.
The blood-pressure synchronously falls, and the heart is arrested in diastole.
The excretory system consists of peculiar cells, each of which bears several"flames" or bunches of synchronously vibrating cilia.
In Caberea, the vibracula are known to move synchronously, but co-ordination of this kind is otherwise unknown in the Polyzoa.
In 1897 a general census was taken as synchronously throughout the empire as was found possible.