Wika Instruments - 50372475 - Absolute Pressure Sensor For Oil, 100psi Max Pressure, 8 - 30 V dc, IP65 - Allied Electronics & Automation
Musical instrument - Wikiwand
What is this bowed, one-stringed instrument? (It was advertised as an antique banjo/mandoline which obviously is a very different type of instruments) : r/whatisthisthing