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Thread: 1887 Edison dynamo - photos

  1. #1
    Supporting Member Altair's Avatar
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    186 More Best Homemade Tools eBook

  2. The Following 4 Users Say Thank You to Altair For This Useful Post:

    durrelltn (Apr 19, 2022), KustomsbyKent (Apr 19, 2022), nova_robotics (Apr 23, 2022), Toolmaker51 (Apr 25, 2022)

  3. #2
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    nova_robotics's Tools
    What are those brushes made out of?

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    Supporting Member baja's Avatar
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    baja's Tools
    Quote Originally Posted by nova_robotics View Post
    What are those brushes made out of?

    The first brushes were actual wire "brushes" made of small wires. These wore out easily and they developed graphic blocks to do the same job.

    Generators and Dynamos

  5. The Following User Says Thank You to baja For This Useful Post:

    nova_robotics (Apr 24, 2022)

  6. #4
    Supporting Member Toolmaker51's Avatar
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    Toolmaker51's Tools
    Mark of a dedicated work force, hired for ability and willingness to learn -then demonstrate it, when many of the 'engineers' had sufficient mechanical background - hands on, and planned obsolescence rated sinful. When you build for longevity, even the machine frame, aka 'skid' can be pointed to with pride.
    'Sonny, my great grandfather built that'.



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    Toolmaker51
    ...we'll learn more by wandering than searching...

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