Существительное
A machine used in gravure printing
A recording electrometer; also, the graph produced by such a device.
An instrument for the reproduction at a distance of pictures, maps, etc., by means of electricity.
Употребление- историческое
- Синонимы
A sciagraph.
Употребление- историческое
A cinematograph using the arclight.
Употребление- историческое
Существительное
an apparatus for the electrical transmission of pictures
electrical device used for etching by electrolytic means
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