Quote Originally Posted by Miles_on View Post
I've seen one of those for sale at Ingco power tools, but aside from a meteorologist, I always wondered who else would need such a device.
Now I know it's material to measure the airflow of ducted fans.
This day and age we just don't rely on the "Mechanic's (oido). A modern auto technician should use all the necessary instruments to obtain diagnoses and information in digital form be it numerical or yes/no. No time for guessing.