I have an early metal case Halda Twinmaster for sale. It is in working order (used on my 78 510 for 5 events). Gear driven. have the T drive cable, but no extra gears unfortunately. a few chips in the paint. Perfect for vintage race cars. period correct.
Will have pictures ASAP. Later model plastic case Twinmasters have gone on ebay for $750 - $950 US.
SOLD>>>>>>>>>>>>>>>>>>
Im willing to bet someones dad or uncle or something is looking for one of these, thats why im posting here even though its not the greatest venue for this product.