Hello again,  There was a company named "Antique Electronics" a couple
of years ago which sold new old stock parts for radios and record
players.  I have a copy of their catalog which lists replacement
cartridges and 78 rpm replacement needles for them.

Equalization -- The most straightforward way to achieve the correct
equalization is to purchase an old mono amp or pre-amp which has a group
of equalizatons.  My Leak Varislope has 4 to choose from.

Regards,
Craig Smith