Edison Laboratory


from, Invention of the Phonograph

& The Inventor has his artists
pencil 60 straight-edge diagrams.
Blueprints—blueprints to the machine shop
where pulleys of leather belt & oil
hang like film strip from the ceiling.
Sound wave shakes
the stylus & sound groove
rocks the wax diaphragm.

from, The Inventor’s Last Breath, Section: Talking Doll

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