I see from patents findable online the the early Bitz jigs were vastly different but have (till I get the package sent out today to a buddy) three versions and wondered on info on the years they were current.
Here is my oldest and my newest. I am sending the middle aged one with the TINY allen wrench holes for adjustments to a buddy in WA as a gift to a OLD friend, new to trad for his use.
This is the first Ive seen of the one on the left with the "lever" adjustment and without the adjustment for degree of feather placement but it works dandy.
The RW clamp has (dont know if it's original or not) "pat pending" on the side and " "The All New Dial O-Fletch Fletchmaster by Bitzenburger" on the side of it as well.
A bit curious as to if anyone knows anything about when this would have been manufactured.
God Bless