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Colossus I experimental system. Donald Ross, Twenty Years of Research at the SACLANT ASW Research Center, 1959–1979 (La Spezia: SACLANT, special report M-93, 1980): 49.

Figure 2: Colossus I experimental system. Donald Ross, Twenty Years of Research at the SACLANT ASW Research Center, 1959–1979 (La Spezia: SACLANT, special report M-93, 1980): 49.