Objects in Harvard IBM Mark I Automatic Sequence Controlled Calculator Collection
International Business Machines Corporation
1930-1937
International Business Machines Corporation
1929-1938
International Business Machines Corporation
1929-1938
International Business Machines Corporation
1939-1944
International Business Machines Corporation
circa 1944
International Business Machines Corporation
circa 1944
International Business Machines Corporation
circa 1944
International Business Machines Corporation
circa 1944
International Business Machines Corporation
1936