I posted this entire newsletter from our collection on the MTFCI General Discussion Forum at the following link.
http://www.modelt.org/mtfcivb/showthread.php/108-The-Bosch-News-May-1923
Here's the cover page.
Hey, the chain driven magneto setup was marketed in the US too, anybody seen one?
though I've seen a local Bosch ad for this concept, I've only seen homemade chain driven magneto setups here in Sweden - and quite a few of them. HCCT:s for proper coil adjustments were and still are rare over here.