This remindes me of a museum in Munich - a museum I had never heard of, located in the central office of a company I had never heard of, and which I would have

This remindes me of a museum in Munich - a museum I had never heard of, located in the central office of a company I had never heard of, and which I would have probably never seen but for the "Long Night of Museums": the Spinner GmbH vacuum tube museum (http://www.spinner-group.com/en/company/spinner-group/vacuum-tube-museum http://www.spinner-group.com/en/company/spinner-group/vacuum...), showcasing the extensive vacuum tube collection of the company's founder.