# Dropping gage 3 (meyer) because of more than one day reported. 1.3mm ( 0.05in) # Dropping gage 19 (blackwood) because of time between readings. # Dropping gage 21 (shaffer) because of time between readings. # Dropping gage 48 (sever) because of time between readings. # Dropping gage 63 (aldridge-sherwood) because of time between readings. # Dropping gage 72 (hsvspr-johnson) because of time between readings. # All gages were used.