Original Japanese WWII Navy Voltmeter with Case with Cords and Probes Martini-Henry Rifle or at least having been

or at least having been unsheathed numerous times

It supported airborne forces involved in Operation Varsity in March 1945

visible stampings ladder denoting 25

The Charleville's barrel was held into place by three barrel bands

That was five for Lt

Original Japanese WWII Navy Voltmeter with Case with Cords and Probes Martini-Henry Rifle or at least having beenOriginal Item: A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage of the circuit. A voltmeter in a circuit diagram is represented by the letter V in a circle. Voltmeters are made in a wide range of styles. Instruments permanently mounted in a panel are used to monitor generators or other fixed apparatus.