Postal Telegraph SI-15 (Hammond 341) Illuminated Wall Clock Restoration

Discussion in 'Electric Horology' started by cornell9, Dec 12, 2019.

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  1. cornell9

    cornell9 Registered User

    Mar 26, 2017
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    I completed restoration of a Postal Telegraph SI-15 (Hammond 341) Illuminated Wall Clock 15-inch glass illuminated metal case wall clock from around 1940. Clock was stripped of paint, de-rusted and repainted. The three chrome pieces were re-chromed by a professional chroming shop (the left chrome piece was previously damaged - the top line of the fin is missing). All electronics and wiring save the motor were replaced (five 7-watt candelabra type LEDs and E12 sockets, new ball socket switch, RF-controlled wireless light switch kit to power on and off the LEDs, original parts saved for sake of completion). This one is definitely a keeper!

    Pictured next to the Postal Telegraph clock is the General Electric 1L1215 clock that I restored last year (apologies they are not yet synchronized!).

    The final two photos show the clock during restoration - with the repainting of the clock body completed and the 3 chrome pieces de-rusted and stripped of paint but not yet re-chromed.

    2019-12-12_15-06-03.jpg 2019-12-12_15-06-29.jpg 2019-12-12_15-06-58.jpg 2019-12-12_15-09-04.jpg 2019-12-12_15-11-02.jpg 20191011_171558.jpg 20191011_171606.jpg
     
    davefr, Steve Murphy and Dave T like this.
  2. Chris Radek

    Chris Radek Registered User
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    Apr 13, 2014
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    Beautiful work! I love the second hand shape.
     
  3. davefr

    davefr Registered User
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    Nov 29, 2008
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    That's a great restoration. I'm curious what kind of motor powered these clocks. Do you happen to have any images of motor + movement?
     
  4. cornell9

    cornell9 Registered User

    Mar 26, 2017
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    Thanks Chris and Dave. Unfortunately it did not have its original Hammond synchronous movement/motor (instead, a Synchron/Hansen motor/movement made in 1979 was installed - worked fine without modification of the 3 original hands, but they drilled 4 holes inside to hold the movement). Would love to find an original motor and movement without having to take it from another clock.
     
  5. wbranko

    wbranko Registered User
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    Feb 1, 2004
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    What color black did you use for these cases? Satin, semigloss, powder coat? They look great!!
     
  6. cornell9

    cornell9 Registered User

    Mar 26, 2017
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    thanks wbranko - I used Rustoleum Flat Protective Enamel spray paint
     

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