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mach 0.0013137

Sunday Oldies (made before 1990)

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Time for some coffee & cream...

"ServiceS" COMPETITOR `Lumed Dial`, `FOREIGN` ( made by Thiel Brothers, Thuringia, Germany) , circa late 1920s/early 1930s

    ServicesDSC_0514a_zpse89a180e.gif~original

 

"ServiceS" `TRANSPORT` (A.R.P.) FOREIGN MADE (by Thiel Brothers, Thuringia, Germany) circa mid/late - 1930s.

ServicesDSC_0069.jpg~original

 

(Photos not to same scale - the Transport is actually 5mm larger then the Competitor)

 

 

BTW, here`s an extract from the 1937 Services catalogue...

Servicescirca1937_0008.jpg~original

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16 hours ago, Karrusel said:

 

'Harwood'  World's first automatic wristwatch.

Cal: Schild/Blancpain bumper, 2 adj, 15 jewel.

Silver, hallmarked Glasgow 1928.

large.DSCN0023.JPG.286b0ad03f4def120e0a3dfdb0b452a4.JPG

large.DSCN0024.JPG.c868cff71d61c162adc3a91a7f11052f.JPG

large.DSCN0025.JPG.9e50c535a8d71b6fa84e0d5261a7ebb2.JPG

Is that bit in the middle of the second picture the rotor?

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34 minutes ago, Goridar said:

Is that bit in the middle of the second picture the rotor?

Yes, the part labeled Harwood pivots back and forth striking the block on the opposite side.

Later,
William

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20 hours ago, William_Wilson said:

Yes, the part labeled Harwood pivots back and forth striking the block on the opposite side.

Later,
William

That's cool thank you. Is that how rotors work nowadays or have they made changes?

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42 minutes ago, Goridar said:

That's cool thank you. Is that how rotors work nowadays or have they made changes?

Rotors now spin freely in either direction, without a need to bounce back. Generally, they have a type of reverser gear that transmits energy to the mainspring regardless of the direction of rotation.

Later,
William

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