In my contribution for the MMD 171123 I mentioned photos of the Komet
disc and of the combs.  Unfortunately these were missing there.  Here
they are to illustrate my specification of 20-7/16" Komet discs.

Hans Schmitz
Stuttgart, Germany

 [ Detail of a 20-7/16 disc with pairs of tracks in two different distances
 [ http://www.mmdigest.com/Attachments/17/11/26/171126_160705_P1140175Komet.52,5.Platte.JPG 

 [ Detail of the Komet combs and of star wheel distances
 [ http://www.mmdigest.com/Attachments/17/11/26/171126_160705_P1140177Komet.Kämme.JPG