[Dixielandjazz] Bolden Cylinder

[Bill Haesler]

ROBERT R. CALDER replied to James observation:
>> Errrr, a cylinder has recorded material on only one side, the  
>> outside....
with
> I always thought the Bolden cylinder was different from others that  
> had been found in having no sides at all
> Does Lee Morgan's SIDEWINDER have anything to do with the machinery  
> a cylinder is played on?

Dear mates,
Which raises another question.
How many grooves are there on the front side of the average 10" 78rpm  
record?
Very kind regards,
Bill.