[R-390] 390A Drawings, was Engraved front panels

[Todd Bigelow - PS]

Tom M. wrote:

>As far as the 390A goes, the revision from silk screened to engraved is on the
>drawings I believe.
>
>I think most were actually stamped, not engraved, but the Fowler rigs were
>engraved with a rotary tool.
>
>
>Tom N5OFF
>  
>
I used to think they were all stamped myself (before the Fowler rigs), 
but recently when I was going through a manual for a Collins mixing 
console it specifically refers to the engraved labels. Stamping sure 
would be a lot faster, but maybe engraving produces a cleaner letter or 
less distortion to the metal? This has to be related to the 
Bristo/Bristol wrench issue....

~Boomer,  KA1KAQ