HB-7 HEADBAND! 1/4″ PLUG/RUBBER PAD. A terrific collectible – WWII MURDOCK TYPE P-23 AVIATION HEADPHONES! MADE BY WM. J. MURDOCK CO., CHELSEA, MASSACHUSETTS. LEATHER COVERED HB-7 HEADBAND. TYPE P-23 AVIATION HEADPHONES WITH RUBBER EAR PADS.
HB-7 HEADBAND! 1/4″ PLUG/RUBBER PAD. A terrific collectible – WWII MURDOCK TYPE P-23 AVIATION HEADPHONES! MADE BY WM. J. MURDOCK CO., CHELSEA, MASSACHUSETTS. LEATHER COVERED HB-7 HEADBAND. TYPE P-23 AVIATION HEADPHONES WITH RUBBER EAR PADS.