Surat Setasiun Radio Dabo Singkep kepada kepala Bagian Listrik Umum di Sentra Listrik Setadjam Dabosingkep [9 Nov 1961]

Proof of sealing of the radio broadcaster at PT. Pertis (Pertambangan Timah Singkep) and request for witness. Printed form filed in with typewriter. Some handwritten notes and signatures. Signed by P.M. Naibaho, head of Setasiun Radio Dabo Singkep.