Author Topic: Norwegian: Elektrisk Bureau 1920ish CB  (Read 986 times)

Offline dsk

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Norwegian: Elektrisk Bureau 1920ish CB
« on: March 01, 2013, 02:54:27 PM »
Not sure of the model but 1921-1925 should be close.
dsk

I have even got a regular New York number :-) 646 570 1796

Offline dsk

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Re: Norwegian: Elektrisk Bureau 1920ish CB
« Reply #1 on: September 15, 2017, 01:25:10 PM »
More documentation:
Reverse dial for Oslo!


dsk

I have even got a regular New York number :-) 646 570 1796

Offline dsk

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Re: Norwegian: Elektrisk Bureau 1920ish CB
« Reply #2 on: September 18, 2017, 08:00:20 AM »
I have been working a bit an the diagram, and the only who actually is different is the terminals on my wall phone.


Not sure about the exact date on this, but the dial was a pretty early version. My guess 1921 based on later dials had enameled dial face, this looks like paper and colloid on a metal palate. I had to make a new one, and the I made it as a normal dial, not Oslo (reverce). The last pulse was long so then I know it has been on Frogner exchange in Kristiania (Oslo)
I modified it, adjusted the pulse length to as long as possible, but it is still short. Dial speed is not adjusted so it goes on about 13 pps. This works fine on my old xsx PAX.


I also had to give the phone some paint to look a little better.


Now I miss the right handset.


dsk









I have even got a regular New York number :-) 646 570 1796

Offline AE_Collector

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Re: Norwegian: Elektrisk Bureau 1920ish CB
« Reply #3 on: October 01, 2017, 11:09:34 PM »
Great looking phone dsk!

Terry

Offline dsk

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Re: Norwegian: Elektrisk Bureau 1920ish CB
« Reply #4 on: December 18, 2017, 10:33:55 AM »
Painting is difficult, but nowI guess I have finished this one.
I had to make a new number ring under the dial, the dial was not easy to tune, but it is dialing OK now, and the phone looks OK too. It sounds pretty well, it is a sidetone booster set, and I had to put in a replacement capsule at the transmitter, that makes the sound strong and clear.  Look at the screw on the top of the dial center "ring". Maybe that may help identify the dial?

dsk

I have even got a regular New York number :-) 646 570 1796