? Measuring vacuum

[BSimon999@AOL.COM]

In a post I wrote;

<< There is a company "Vestal Press" that produced a great quantity of 
excellent 
monographs on particular phases of rebuilding, like " Rebuilding Simples 
Plauer Valves"  >>

That should be "Rebuilding Simplex Player Valves"

Don't know how that happened.

B. Simon
Phoenix