I am rebuilding a 1923 Seeburg E that was previously 'rebuilt' by
someone else.  The existing striker pneumatic spans are "all over
the place" and I don't think any of them are right.  They certainly
are not consistent.

What inside span, in inches, should I set the striker pneumatics at
when I recover them?  Thank you for your help.

Doug Mahr
Orangevale, Calif.