National electric reel to reel tape player and recorder: Corporal

What kind of equipment was used in police surveillance and

Portable reel-to-reel tape recorder '' National RQ-158S

GE solid state reel to reel tape player w/ recorder mic, vintage

Reel to Reel Tape Recorder Tray Base Reel to Reel Recorder

Reel to Reel Tape Recorder Manufacturers - Panasonic National

All Music Formats - Reel to Reel Tape - The Record Centre

Reel to Reel Tape Recorder - Canada

Reel to Reel Tape Recorder Manufacturers - Panasonic National

Reel to Reel Tape Recorder - Canada

What types of body wires were available and used by police