OPTIMUS No 1 How old is she?

Discussion in 'Optimus No:1(inc. S & J)' started by HONDA, Mar 2, 2020.

  1. HONDA

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    Hello,I've just finished repairment of OPTIMUS No .1.
    I would like to know when she was made.
    IMG_20200229_152318.jpg
    IMG_20200301_164037.jpg IMG_20200229_151939.jpg IMG_20200229_152006.jpg
    IMG20200229151339.jpg
    I try to learn from CCS but difficult for me to judge 1912 -1915 -1918?

    IMG_20200229_214332.jpg IMG20200227193459.jpg IMG20200227193935.jpg IMG20200227195325.jpg IMG_20200302_200626.jpg IMG_20200229_214739.jpg
    Please give me an idea of her age.
    My best regards
    HONDA
     
  2. OMC

    OMC Subscriber

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    Thank you Honda,
    The undated Optimus stoves and an earlier example... :-k (Q&A in a ref post)
    Without considering more details in-depth,
    I suggest circa 1918.
    Seeing the No.1 use of external NRV ended by 1921 production year (pump valve caps not offered in 1921 catalog). Definitely, for ref. post that's all I've got for now.
    --------------------------------

    It appears your burner is original. I checked a discussion re Optimus roarer burners (in sequence). Year ranges have not yet been associated with the different vintage burners.
    Thanks again.
     
    Last edited: Mar 2, 2020
  3. gieorgijewski

    gieorgijewski Subscriber

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    ?
     
  4. HONDA

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    Thanks OMC and gieorgijewski
    So she was made in between 1912-1914?
    RegardsHONDA
     
  5. geneislucky

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    Honda, your restored stove is lovely.
     
  6. abbahco1

    abbahco1 Subscriber

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    I would also say 1912-1914 - based on the catalogues (I have one of the same vintage exactly).

    Peter
     
  7. HONDA

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    Peter thank you! You have the catalogue !?
    Regards
    Honda
     
  8. Tony Press

    Tony Press Australia Subscriber

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    That’s a fine stove, @HONDA.

    Cheers

    Tony
     
  9. Sternenlicht

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    I have a similar looking stove from Primus, Primus 1sor. It has the same priming cup and also a stamp on the pump cup. Maybe both manufactureres used parts from the same source? On the tank bottom it is stamped with D, so it was produced in 1914.
    Sorry for the bad photo, its an older one, the focus was on the flame pattern.

    Ciao, Bastian

    Primus_1sor_03.jpg
     
  10. HONDA

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    Thank you Bastian.
    Your Primus has stamped with D on the tank bottom, so it was produced in 1914.
    Mine has O on the tank bottom and pump knob E. What dose it mean?
    Sorry I didn't undestand well.

    Ciao Honda
     
  11. kerophile

    kerophile United Kingdom SotM Winner Subscriber

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    Hi @HONDA Optimus did not date-code their stoves. The random letters that you sometimes find on Optimus stoves are perhaps for internal control in the factory but are not a code for dating the component or stove.

    We have to rely on specific features of the stove appearing in illustrations from dated catalogues, or accompanying dated papers, such as instructions, to indicate likely manufacturing date.

    Best Regards,
    Kerophile.
     
  12. Sternenlicht

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    Hej @HONDA
    I just wanted to emphasize the similarities between both stoves. The letters on the pump knob doesn't have anything to do with the production date. But only a few pump knobs are stamped, so maybe this only typical for a special time era. As Kerophile said, it is just a specific feature, which can be used to compare theses stoves. The same with the priming cup, stoves from other times has other formed priming cups.

    Ciao, Bastian