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This is a Simpson Multicorder 604, the picture shows that the lettering is breaking up but it isnt, its really clear, this was my dads he was a electrician, I don't really know to much about it, good luck
(Simpson 604 multicorder chart recorder is the responsibility of Jessie Pennington) |
J_Pennington@cedar--rapids.com (Jessie Pennington) for more information.
