The 4-CD set Popular Electronics: Early Dutch Electronic Music from Philips Research Laboratories (Basta 30-9141-2) was produced by Dick Raaijmakers and Kees Tazelaar. The music was transferred from the Sonology archives’ original master tapes.
More information can be found here:
https://www.discogs.com/Kid-Baltan-Tom-Dissevelt-Henk-Badings-Dick-Raaijmakers-Popular-Electronics-Early-Dutch-Electronic-Mu/release/310002