km 10-42 kn 5-57 ko 11-32 kp 5-54 kq 6-57 kr 4-42 ks 7-63 kt 8-63 ku 10-32 kv 5-39 kw 6-54 kx 9-68?
I recommend that if you don't already have it you download the latest version of Adobe reader.
In addition to the data I have scanned and posted, if you're looking for data on a particular tube you should visit TSDL on Duncanamps website, or Frank's tube data.
Another spot to look, which is especially useful if you're looking for replacement types and tubes with similar bases or characteristics, is the NJ7P tube database.
Below each frame there is a bit of rhyme in German telling the tale.
Even the German Schnauzer in the last frame knows the man should have bought a Telefunken rohren!!!!!