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  1. ot-----building Port Reval------------1914

    YouTube
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    link to Bonhams sale--- Bonhams : Fine...

    link to Bonhams sale---

    Bonhams : Fine Instruments of Science, Technology, and Engineered Models: Including property from The British Engineerium, Hove
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    rivett---sale conducted by Bonhams--I think they...

    rivett---sale conducted by Bonhams--I think they were disappointed with
    final tally---but a few pieces appear to have had spirited bidding :)
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    ot----gyrobus G3

    scroll----1:15


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    your machine looks to be rigged with 1/2 in boom...

    your machine looks to be rigged with 1/2 in boom cable with 3 upper and 3 lower sheaves ----6 to 1 reduction
    boom base is around 2600 lb

    each cable strand loading is light--400-500 lb...
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    bidder beware

    post from 10 years ago----
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    3--------------------------

    3--------------------------
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    2---------------------

    2---------------------
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    ot----fine instrument sales Fall 2019

    from London
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    ot---------------- fabricating the V_2

    YouTube
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    ot---vintage motoring accessories

    toolkits have been offered 100+ years with motor car purchase

    Bentley kits---circa 1920's--- shoehorn remarkable number of tools into compact saddle leather grip
    quality hydraulic jacks included...
  12. pics illustrate involute masters supplied by...

    pics illustrate involute masters supplied by machine makers

    right hand master--referred to as an artifact--is Fellows 6 degree

    left hand artifact --cylindrical--is used to calibrate ITW device...
  13. pics illustrate certificate from Oak...

    pics illustrate certificate from Oak Ridge--Lockheed Martin metrology of Boeing involute master--Fellows

    4 hours after arriving at my facility--skeletal remains ;)
  14. ot--metrology--decade long debacle---the revenge of NIST

    recently I purchased two involute gear measuring machines from Boeing--the only bidder at $24.99---a 21 inch Fellows and 24 inch Illinois Tool Works

    Boeing kindly included stacks of documents--and...
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    ---ot----traction engine rescue

    vintage Best model 185 rescued by cat 518 skidder

    30 years ago I had similar size skidder--- Franklin Tree Farmer model 170
    rolled it first week of ownership--Carco brand winch of no value in up...
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    donor wheel rim

    unable to locate needed 15x19.5 inch tire and rim with required 11 inch hub bore to accommodate 11 inch torque hub planetary construct in effect on this early series Genie S60

    scrap yard partner...
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    restoration of ships saw

    150 miles to my north ex-pat Brit--Leo--is immersed in restoration of vintage wooden sailing vessel

    this clip deals with restoration of mysterious ship saw---

    scroll----7:30


    YouTube
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    Umpqua power

    I located more info on bridge crane in document issued by National Park Service--`Register of Historic Places--

    Cyclops crane was located in Winchester Dam power house Umpqua River, Oregon ...
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    2-----------------------------------------

    2-----------------------------------------
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    Cyclops Iron Works S.F.------1873

    completed a control retrofit on knee mill--one man shop in woods
    noodled the intriguing undergrowth and came across this----
  21. Sheffield------------------------ (1933)

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  22. ot---------Pontificia Fonderia Marinelli ----1040

    YouTube



    YouTube
  23. ot---dynamic in situ rail turning---Soviet style

    scroll to 13:30


    YouTube
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    ot-----railbed steam

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    SCHAUBLIN 13 restoration

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