359
Tape ground.
That such devices are still used in the armed forces and not only. Further detail.
Tape P-504n. Designed for two-channel recording on a wire recording medium or reproduction of information recorded on the aircraft recorders.
It replaces the previous generation of such recorders MH-61. A similar control unit only as a switch.
Can be installed on a moving truck and fly for this U-504 is attached to the soft cushions. It withstands high loads.
Operating temperature range from -50 to +50 at a relative humidity of 95%. It supports remote control via handheld remote control. Technical life of 20,000 hours over 30 years.
In the tape mechanism of broaching with 2 wire spool. 3 heads: erasing, recording, reproducing. The continuous recording time of 9 hours.
Wire to record a curious, long fullest 7km. wire thickness at 0, 05 mm. lubricated with special oil with the addition of molybdenum. Fast forward to the 40-minute tape.
Methods torn binding wire.
Source:

Tape P-504n. Designed for two-channel recording on a wire recording medium or reproduction of information recorded on the aircraft recorders.

It replaces the previous generation of such recorders MH-61. A similar control unit only as a switch.

Can be installed on a moving truck and fly for this U-504 is attached to the soft cushions. It withstands high loads.

Operating temperature range from -50 to +50 at a relative humidity of 95%. It supports remote control via handheld remote control. Technical life of 20,000 hours over 30 years.

In the tape mechanism of broaching with 2 wire spool. 3 heads: erasing, recording, reproducing. The continuous recording time of 9 hours.

Wire to record a curious, long fullest 7km. wire thickness at 0, 05 mm. lubricated with special oil with the addition of molybdenum. Fast forward to the 40-minute tape.

Methods torn binding wire.

Source: