Marine: Morris Tobias

Discussion in 'Chronometers' started by gpruss, Oct 14, 2015.

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  1. gpruss

    gpruss Registered User
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    Dec 14, 2008
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    Back in 2005 there was a thread about a Morris Tobias chronometer. In that thread, an "International Chronometer Index" was mentioned. This was in a discussion by a guest named David H. Grace. I would appreciate any information on this index or how to contact Mr. Grace. More specifically I am looking for information on Morris Tobias #509 (14,400 b/hr movement). Thanks.
     
  2. Tom McIntyre

    Tom McIntyre Technical Admin
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    Aug 24, 2000
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    The Registry is maintained by the volunteers at the Royal Greenwich Observatory in association with the Royal Maritime Museum.

    The principal contact is Cmdr. Peter Linstead-Smith. You can contact him directly at the observatory.
    .
     
  3. Ralph

    Ralph Registered User
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    #3 Ralph, Oct 14, 2015
    Last edited: Oct 14, 2015
    Disregard
     
  4. MartyR

    MartyR Moderator
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    The email address I have for Peter Linstead-Smith is PLSmith@rmg.co.uk.

    I'm sure everyone would love tp see photos of your Tobias chronometer :rolleyes:
     
  5. PapaLouies

    PapaLouies Registered User
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    Hi gpruss,

    You will find an interesting read by Michael Edidin on Morris Tobias Chronometers in the Oct. 1992 Bulletin, Vol. 34, No. 280 pages 524 thru 528.

    Regards,

    PL
     
  6. gpruss

    gpruss Registered User
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    Dec 14, 2008
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    Thanks for the feedback. I was having a senior moment when I wrote that the escapement was 14,400. That would not have been unusual or interesting. It is in fact 18,000, which makes it confusing to read the fractions of a second. As requested I am adding some pictures. If I learn anything from the International Chronometer Index, I will pass it along.

    20151016_145017[1].jpg 20151016_145301[1].jpg 20151016_145335[1].jpg 20151016_145727[1].jpg
     

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