LONGARD, JOHN R.; ELLIS, WALTER E. - EDITOR - Knots, Volts and Decibels: An Informal History of the Naval Research Establishment, 1940-1967

Nova Scotia: Defense Research Establishment, 1993. First Edition. Paperback. 115 pages. Archival black and white photos. Topics include: The Magnetic Mine and Degaussing; The Acoustic Mine; Harbour Defense; NRE's Submarines; Hull Corrosion and its Prevention; Oceanography; Early Underwater Acoustics; Variable Depth Sonar; Sonobuoys; The Canadian Hydrofoil Project; Special Activities and Facilities; NRE's Research Ships. Clean and unmarked with light wear. Bit of curl to front cover which bears a staple hole near top edge. A quality copy of this fascinating work.; 4to - over 9¾" - 12" tall; Knots, Volts and Decibels: An Informal HIstory of the Naval Research Establishment, 1940-1967 History Mines Hydroil Cathodic Protection DREA Magnetic Mine and Degaussing; The Acoustic Mine; Harbour Defense; NRE's Submarines; Hull Corrosion and its Prevent. Very Good .

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