Sabotage against Electronic Crystal Industry/Tybrings Radio Industry 13-05-1943
The company had taken over the building on 1st May, 1943, and was being remodelled to manufacture pick-ups and microphones. The police case states that the company did not work for the Wehrmacht.
2 Københavns Amt Nordre Birk
E. Saxtorph, N. Saxtorph og "Jonathan"
N. Saxtorph (FHM 14266)
Esben Kjeldbæk: Sabotageorganisationen BOPA, 1997.