The telautograph is on a similar principle to the Cowper apparatus, the motion of the transmitting pencil or stylus used in writing being resolved by a system of levers into two component rectilinear motions, which are used to control and vary the currents in two distinct electrical circuits.
- Portion of cyclosystem is covered by a cap or operthe corallum of A stylus culum.
The characters of the syllabary were all arranged and named, and elaborate lists of them were drawn up. The literature was for the most part inscribed with a metal stylus on tablets of clay, called laterculae coctiles by Pliny; the papyrus which seems to have been also employed has perished.
The god Nebo appears as PA - the sign of the stylus, which is associated with this deity as the originator and patron of writing and of knowledge in general, - or it is written with a sign AK, which describes the god as a " creator."