[78-L] changing steel needle to sapphire

[Steven C. Barr]

----- Original Message ----- 
From: "Michael Biel" <mbiel at mbiel.com>
> NEVER USE A
> JEWEL POINT IN AN ACOUSTICAL MACHINE OR AN EARLY HORSESHOE MAGNET
> ELECTRICAL ARM.

Let us modify this!! NEVER USE AN "EARLY ACOUSTIC MACHINE" *OR*
"AN EARLY HORSESHOE-MAGNET ARM" on ANY 78rpm phonorecords
which you personally value! Their "tracking pressures" run close to a 
POUND(?!)
and are NOT compatible with any useful record lifespan!!

...stevenc