# Dropping gage 143 (howell) because of more than one day reported. 0.0mm ( 0.00in) # Dropping gage 149 (gilbert) because of more than one day reported. 12.7mm ( 0.50in) # Dropping gage 168 (barbre) because of more than one day reported. 16.3mm ( 0.64in) # All gages were used.