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Robert H Ray Cable Truck

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  • Robert H Ray Cable Truck

    This cable truck for the Robert H Ray seismograph company appears to be new, or very close to new. All Robert H Ray Co. pictures are courtesy of the Houston Geological Museum
    John

  • #2
    Click image for larger version

Name:	Robert H. Ray 4.jpg
Views:	308
Size:	108.2 KB
ID:	190534
    John

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    • #3
      That is just too cool!

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