The U-S Phonograph Company’s Cleveland factory in 1912, from The Talking Machine World. (We’ve not found any photos inside their New York studio just yet, but recently got a lead on where some might be.)
If you’re a U-S Everlasting cylinder fan, be sure to check out Indestructible and U-S Everlasting Cylinders: An Illustrated History and Cylinderography. It’s an ARSC award-winner, available from Mainspring Press and many major libraries.
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