Great work Richard!!
As to the readability of the table, let's see if this works better using the code feature
Code:
New/Used Brand Spring Ht Durometer Leak Pressure
New HWH (AV) 0.52 47 100+
New HWH (AV) 0.54 50 100+
Used AV 0.47 49 55
Used Kipp 0.54 35 10
Used Kipp 0.56 34 10
AV Urethane seat 100+
Reworked seat, lapped 70
New valve old seat 70
Old valve, new seat 100+