Our main building has two main exhibition rooms, a library and a depot. Yet we also have 5 garage boxes with many documents but also Dutch radio equipment, mainly from the first half of the 20^th century. It includes equipment from Kootwijk but also former PTT collections. We are currently examining whether the depot in the main building can be turned into a third exhibition room with Kootwijk equipment (including the Telefunken tubes blown by the retreating Germans in 1945) as well as the Koomans receiver placed close to the seaside for connections with Indonesia.

Left: the Koomans receiver

Right: the Allied Huff-Duff used during the U boot war

During WWII the Germans used that station to receive signals send between Washington and London (Forschungsstelle Langeveld, see also https://www.cdvandt.org/langeveld-forschungsstelle.htm) using Philips CR101 receivers that can be seen here on the right side

We have a CR101 from the station that appears to be complete (and with the characteristic green cat-eye (or magic eye) as a visual indicator of reception signal strength. We also have a similar receiver but have no identification on the type.

Our foundation has two Siemens T52 Geheimschreibers with 10 cipher rotors, mainly used for secret communications over fixed land lines. Unfortunately during the loan to a museum in the UK the hood was lost of one T52. We were fortunate enough to obtain a rusty, dented hood found on the bottom of a lake, and started to remove mud, rust and lime, and bending the larger deformations. It fits and will now be further polished and restored