1942 U-BOAT SOUND GEAR
Posted by:
PAUL J. PERKINS
()
Date: June 12, 2000 10:16PM
REQUEST THE FREQUENCY RESPONSE OF 1942 U-BOAT UNDERWATER LISTENING GEAR, CHARACTERISTICS, MAGNETOSTRICTION TYPE OR CRYSTAL ELEMENTS ETC., WERE ANY EXCLUSIVE SOUND APPROACHES MADE ON THEIR TARGETS?
Subject | Written By | Posted |
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1942 U-BOAT SOUND GEAR | PAUL J. PERKINS | 06/12/2000 10:16PM |