One key for Combined speed, distance and rev meter (tachometer) indicator for electronic Chernikeeff log, by Submerged Log Company Limited, London, England, 1953-1963. Key for combined speed, distance and rev meter (tachometer) indicator for electronic Chernikeeff 1953-1963
Combined speed, distance and rev meter (tachometer) indicator for electronic Chernikeeff log, by Submerged Log Company Limited, London, England, 1953-1963 Combined speed 1953-1963