Seth Thomas round top with alarm

Discussion in 'Your Newest Clock Acquisition' started by Rockin Ronnie, Jul 30, 2019.

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  1. Rockin Ronnie

    Rockin Ronnie Registered User
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    Nov 18, 2012
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    Would anyone know the exact date of this clock?

    It is a Seth Thomas 8-day round top with alarm with a cast iron bell. It has a lyre movement and it is pinned rather than held together with screws. The movement is die-stamped Plymouth and the label is Thomaston so, made some time after 1865. It has the stop works which are often missing.

    When did ST replace pinned movements with screws?

    Works fairly well but the strike side needs adjusting and the alarm bell spring is broken. Needs servicing.

    And the veneer. Looks like Rosewood to me but I could be wrong.

    Is there a special way to set up the alarm upon reassembly?

    Ron

    RS round top (1).JPG RS examining movement (7).JPG RS examining movement (4).JPG
     
  2. Rockin Ronnie

    Rockin Ronnie Registered User
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    Nov 18, 2012
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    And another question. As the alarm spring is broken can it be sourced from a supplier?

    Ron
     
  3. woodlawndon

    woodlawndon Registered User
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    Jan 18, 2017
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    My guess is that the veneer is rosewood. There's nothing special about setting up the alarm, the lever on the left simply falls into a notch behind the alarm disc which drops the wire and triggers the alarm. I think you will be really surprised at how loud the alarm is, and it continues until the spring winds down, no sleep feature.

    My spring was intact so I don't know it's dimensions, but Perrins sells springs down to 450 mm so you should be able to find something close. The age must be around 1870-1875, nice one.
    Don
     
  4. Rockin Ronnie

    Rockin Ronnie Registered User
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    Nov 18, 2012
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    Thanks Don

    Narrowing the year to about 1870, sound about right?

    Ron
     

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