Help with LM78xx & 79xx series voltage regulators

Thank you for your inputs. Sadly without the original data sheets I am not fully able to find out the original specs. (Also the receiver manuals don’t give you specs on these just part #'s)

Could I “push” you towards answering one last quick question? (I am trying to get an order in with Digikey so it goes out Monday morning)
But I am not 100% sure which these are:

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