Description

"Narrow-Beam Transducer Sounding System" from The International Hydrographic Review, January 1966; Bo'Sun Multi-Beam Sonar product data; An Evaluation of the Bo'Sun Multi-Beam Sonar System by R. Burke and J. Robson, dated Jan. 1974 with Bo'Sun mapping area appendixes 1-4; Letter from H.L. Mattes, Vice President & General Manager, dated 4/10/1970 with Bo'Sun Advertisement from Offshore Magazine; Letter to M. Klein from Donald J. White, Director of Engineering, dated 3/19/1970; Hydro Chart Bathymetric Swath Survey System; Handwritten notes, dated 9/14/1978 and 3/9/1979; Specification of side-looking sonar array (Array) mounted on free-flooding Swimmer Delivery Vehicle (SDV); Miscellaneous business cards; "Hand-Held Sonar Aids Underwater Detection" from Defense Electronics, March 1985; AN/PQS-2A Hand-Held Sonar product data; "Deep Ocean Pathfinding With the Sea Beam Sonar" by Dr. Robert Tyce from Sea Technology, March 1987;