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Waltham 6/0 1942 design

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LittleWatchShop Distinguished Member

LittleWatchShop

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I am working on this thing.  It needs a new hairspring--I am searching.

But what I wanted to mention here refers to the design of this movement.  Notice that one large plate that wraps around one side of the movement.  It is a real bear to get it installed given that one of the wheels is buried underneath and difficult to position while trying to manage the escape wheel.

The later 6/0 Walthams (e.g., the 6/0-D which I have) splits this plate into two pieces.

I am a neophyte and as such, have not seen a vast number of movements.  Maybe stuff like this is common.

2021-04-19 09_59_23-Window.png

2021-04-19 10_07_20-Window.png

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Nucejoe Distinguished Member

Nucejoe

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I guess you have attempted to instal the escape wheel when center arbour+ the bridge on it+ balance& cock+ fork cock are installed, before these are installed, you have good access to escape wheel to slide its pivot in, then tighten screws on the large plate/ bridge, next add the said parts on.

Obviously modified escape cock ( split ) must have been thought of after tons of complaimts at assembly line.

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    • Neverenoughwatches
      404 Club

      By Neverenoughwatches · Posted

      Even if there was a cap jewel on the dial side, the pivot will still drop off the cap jewel maker's side when the watch is turned dial down. There still needs to be end shake, the cap is mainly doing its thing when the pivot is resting down on it and then any part vertical position where it still may touch. I guess its assumed that dial up is the most frequent position hence one sided cap  jewel on the MS. That sounds feasible as the watch spends it's night that way up.
    • lee1979
      Watch running fast after rebuild including changing balance cock/wheel

      By lee1979 · Posted

      Thanks, @Nucejoe. That's good news at least. Just when I thought I was done with the balance wheel and shock-absorbers! 😀
    • Marc
      Strange stuff

      By Marc · Posted

      My guesses.. 1. wood chips for drying parts in after the final rinse. A bit of an archaic practice these days. 2. could be French chalk for brushing cleaned clock plates with....  or maybe diamantine powder for polishing.... could also be oilstone powder, also for polishing, although the stuff that I have got is slightly greyish. 3. Blueing pan. Fill it with brass chips, place item to be blued on the chips and hold the pan over a spirit burner. 4. & 5. Pallet warmer for softening the shellac in order to adjust the pallet stones.
    • spectre6000
      404 Club

      By spectre6000 · Posted

      Maybe not the best place for such a question... 21 jewels with the last 4 being cap jewels on either side of the escapement, but only the easily visible side of wheels 2 & 3. Does a one sided cap jewel setting provide much benefit? I get that they reduce friction by keeping the pivot on its tip rather than side, but if it can still shift away from the cap jewel since there isn't another to do the same job, is the pivot not then on its side in the jewel in pretty much any position other than DU? I'm sure it's just to get the jewel count up for marketing purposes, but still. My pre-coffee mind wants to know.
    • rehajm
      Strange stuff

      By rehajm · Posted

      White powder I don’t know- radium lume? The first bit of kit looks like the chips and wand for bluing screws and hands and such. what hold and control the heat perhaps…wand for holding over the flame How about borax flux for the powder?
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