poddymeter - Wood, Glass, Aluminium, Plastic - 2010-2020

This instrument is a Poddymeter, a portable liquid-column differential manometer used to measure the flow rate and pressure of fluids. Here are some key details about the instrument:
Function: It is used for chemical analyses or to measure the velocity and flow rate of gases or liquids, often in industrial or laboratory settings.
Components: It consists of glass tubes, metal parts and rubber tubes, all housed in a wooden box for transport.
Usage: It includes a specific fluid (often colored) inside the glass tubes to visualize pressure differences.