On 6 May Joel Cluskey wrote:

> I am having a terrible time getting the seal in the left end
> of the Ampico take-up spool to maintain an airtight condition.

I had a similar problem until I discovered that the hollow shaft
at the left end of the take-up spool had a hairline crack lengthwise.
Once I repaired the crack there were no more problems.

Howard Wyman