[R-390] Tool holders

[Scott, Barry (Clyde B)]

I've been looking at the picture of the back of another R390A and just realized something.  At some point, it appears the design no longer included the metal "fins" that were bradded to the rear panel to hold the Bristol wrench and screwdriver.  My '56 Motorola has them, but this newer one does not.

When was this done?  Was it it along the time they put the extra fuse holders to accomodate the change to the 3-fuse layout?

Just curious...

Barry - N4BUQ