Solved 1. A Venturi meter equipped with a differential | Chegg.com
LEARNING ADVANTAGE Folding Meter Stick - Measure in Inches, Centimeters, Milimeters and Meters - Foldable Ruler for Metric and Imperial Measurement Systems: Amazon.com: Tools & Home Improvement
What is an Orifice Plate Flow Meter?
DISCHARGE THROUGH ORIFICE METER - ENGINEERING APPLICATIONS