Instrument Mount Rings Early & Late

[kp]

In all the years of this group I'm sure this difference has been mentioned. Nevertheless here's a photo detailing the differences.
Could members let us know what they have so we can get an idea of frame range these early types were fitted

[42barab]

2659 has the slotted type.   John

[Steve Swan]

In all the years of this group I'm sure this difference has been mentioned. Nevertheless here's a photo detailing the differences.
Could members let us know what they have so we can get an idea of frame range these early types were fitted

myself, i do not remember this distinction being recognized.  good catch KP.

[hondasan]

#302 has early round hole type.

Chris R.

[markb]

#97 has the round hole too.

[corsa65]

#1630 has slotted type.

Lester

[bojje]

Hi!
24 was in pieces and slotted so we will forget that one.
31 has round hole.
180 had no rings.
388 and all my higher are slotted.
Bo from sweden.

[cb7504]

  151 round hole all others slotted. Marty K.