Inside the barrel of the electric pen a little plunger, carrying the stylus, travels to and fro at a very high rate of speed, due to the attraction and repulsion of the solenoid coils of wire surrounding it; and as the hand of the writer guides it the pen thus makes its record in a series of very minute perforations in the paper.
"Edison, His Life and Inventions"
Frank Lewis Dyer and Thomas Commerford Martin
The force which produces that molecular deflection, to which the magnetisation of the bar is immediately due, is the magnetising current flowing round the solenoid.
"Response in the Living and Non-Living"
Jagadis Chunder Bose
Everybody who wasn't needed at engines or controls was there, and equipment was coming up from below-power saws and sonocutters and even a solenoid jackhammer.
"Four-Day Planet"
Henry Beam Piper