Original model of Edison's patent electric preparatory pen for preparing stencils, 1875-1876, mounted on wooden stand.
By this invention of Thomas Edison, a paper stencil plate was rapidly prepared, which could be used for producing a large number of copies or prints of the original writing, simply by running an inked roller over the back of the stencil.
The instrument consisted of a stylus, from the end of which projects a needle point; the needle is connected to a small flywheel and electric motor, at the end of the instrument, and by rotation of the motor the point is very rapidly protruded and drawn back again so that in passing over a sheet of paper the track of the stylus is left finely perforated. The electric current is supplied by flexible conductors.
Original model of Edison's patent electric preparatory pen for preparing stencils, 1877, mounted on wooden stand, donated by Thomas A. Edison.
- Printing & Writing
- Object Number:
- brass, cotton thread, covered metal wire, metal (possibly steel) and wooden stand (possibly mahogany)
overall (estimate, inc. base): 175 mm x 120 mm x 120 mm, weight: 0.260 kg
- stencil cutter
- Donated by Thomas Alva Edison
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