A clinical mercury blood pressure meter (manometer) with a squeeze bulb. Hypertensive Doctor Vector Manometer
illustration was published in 1895 "lindeman catalogue" Engraving Etching Physical Pressure Manometer
Vector illustration, EPS10, gradient meshes, blends, transparency. Physical Pressure Meter - Instrument of Measurement Scale Vector manometer
modern digital gas manometer isolated on white background Cut Out Technology Vector Digital gas manometer