Date: | c. 1980 |
Material: | Stainless steel wire, metal reel |
Dimensions: | 2¼ × ½ in. (52 × 14 mm) spool |
Company: | VILMA National Devices Factory |
Location: | Vilnius, Lithuania, USSR |
A spool for the Soviet M-61 wire recorder manufactured for the security services and for the smaller M-61B cockpit voice recorder made for Soviet jets like the MIG-25. Also used in the P-504N, the replacement for the M-61. The recording time was 5½ hours.