Thermos Lantern 8325 question

Discussion in 'Pressure Lamp Discussion Forum' started by TealNeil, May 19, 2025.

  1. TealNeil Russian Federation

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    Hey All

    New user but long time fan of pressure lanterns, and non pressure Hurricane Lanterns.

    I have a question about a Thermos Lantern 8325 i picked up at a garage sale.

    I usually deal with Coleman but this one caught my eye and the price was right. I picket it up for 2 bucks!!!

    I cleaned it up and managed to light it up.

    PICs included.

    Screenshot 2025-05-18 201642.jpg Screenshot 2025-05-18 201712.jpg Screenshot 2025-05-18 201737.jpg

    My question is.

    What would be the proper size mantle for this lantern?

    The mantles I have, look too large.

    Thanks
     
  2. TealNeil Russian Federation

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    Looks good at night.

    20250518_212835.jpg
     
  3. Henry Plews

    Henry Plews Subscriber

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    Welcome @TealNeil, I don't know the correct size, I have Coleman 21's on my example and to my mind, they look a little small though in this image they don't seem so bad.
    DSCN3530CR24.JPG

    The mantles on your lantern do look too large, especially in the daytime images you've posted but the flame from the burner nozzles seems to be filling them and they're certainly putting out plenty of light in the "Looks good at night." image. I'd be tempted to leave them alone for the time being but think about trying a different size when they do need replacing.
     
  4. JEFF JOHNSON

    JEFF JOHNSON United Kingdom Subscriber

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    Welcome aboard!:thumbup:
     
  5. ROBBO55

    ROBBO55 Subscriber

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    Welcome to CPL @TealNeil
    Nice looking lantern :thumbup:
    A search onsite recommends the Coleman or peerless #21 size mantles
     
  6. TealNeil Russian Federation

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    Thanks, Coleman 21 seems to be the right size.
     
  7. oldfox66 United States

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    My Thermos version has always run best on #21s, my Western Field version ran best on #24s until I gave the generator a good cleaning and repacking- the extra length of the #24s put more heat down onto the carboned up genny. Once I gave it a proper service it runs best on #21s as well
     
  8. TealNeil Russian Federation

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    Yes I'm worried that the large mantles that I used might cause damage to the globe. I understand it's almost impossible to find a replacement globe.
    Coleman #21 mantles look to be the right size.
    I will post more pics once I switch out the mantles.
     
  9. TealNeil Russian Federation

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    Hey while I have you all here.
    Any idea what the age on this lantern is?
    Is there a place to find the date of manufacture?
     
  10. oldfox66 United States

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    I believe very late 1950's or very early 1960's, tho hopefully someone will know better. It IS an early model tho- seperate fuel cap and pump (not the later combined unit) and no dimple in the frame rest for lighting.

    Oh, and the #24s wouldn't hurt the globe but you are correct on the globes being hard to find!
     
  11. TealNeil Russian Federation

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    I'm always amazed to see a piece of equipment that is 65-75 years old work perfectly.
    I think that is why I like retro stuff.

    Built Better
     
  12. Tony Press

    Tony Press Australia Subscriber

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  13. TealNeil Russian Federation

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    WOW that is really specific on the dates. Thanks!!!! I'm used to a 10 year range on most older stuff.
     
  14. oldfox66 United States

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    Thanks Tony! I couldn't remember if they had started in the late 50's or not- I really need to get a copy of his book.
     
  15. Sammi Jane

    Sammi Jane Subscriber

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    @TealNeil, back then things were built to a specification, not a budget...:x
     

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