Search Results       Your search for [author]Cohn, Berthold, 1870-1930. returned 1 record.           Tables of addition and subtraction logarithms with six decimals. _ Addition and subtraction logarithms. by Cohn, Berthold, 1870-1930.; London: Scientific Computing Services, 1939. Subject: Logarithms.          Add to Book Cart Relevance: 37.13%