mouse-mill

At Aden, where they suffer much from humidity, the mouse-mill is or has been surrounded with burning carbon.

Heroes of the Telegraph John Munro 1889

The siphon is, of course, in a mechanical sense, the most delicate part, but, in an electrical sense, the mouse-mill proves the most susceptible.

Heroes of the Telegraph John Munro 1889

It is to the mouse-mill that me must look both for the electricity which is used to electrify the ink and for the motive power which drives the paper.

Heroes of the Telegraph John Munro 1889

When the atmosphere is moderately humid, a proper supply of electricity is generated by the mouse-mill, the paper is sufficiently moist, and the ink flows freely.

Heroes of the Telegraph John Munro 1889

That entering the mouse-mill becomes transmuted in part into the mechanical motion of the revolving drum, and part into electricity of a more intense nature -- into mimic lightning, in fact, with its accompaniments of heat and sound.

Heroes of the Telegraph John Munro 1889

The minor features of the recorder have been simplified by other inventors of late; for example, magnets of steel have been substituted for the electro-magnets which influence the swinging coil; and the ink, instead of being electrified by the mouse-mill, is shed on the paper by

Heroes of the Telegraph John Munro 1889