Originally Posted by
Steven Tribe
I think I can see the circular plate on the right side of the camerea which says Goltz & Breutmann. There is very little on the net - but there is a collector in the Netherlands that has a few nice pictures and info posted. The focal plane shutter is one of the worst designs (80 years on!) as, unlike F&S, the "spring" effect comes from torsion within the axles around which the shutter curtains are wrapped! A bit like the suspension system of the first model Volkswagens! So if the shutter is still working you will have to work out the current speeds with the various settings due to loss of torsion through the years.
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