![[ICO]](/icons/blank.gif) | Name | Last modified | Size | Description |
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![[PARENTDIR]](/icons/back.gif) | Parent Directory | | - | |
![[IMG]](/icons/image2.gif) | 1620_Poster_1960.jpg | 2014-03-02 19:41 | 501K | |
![[ ]](/icons/layout.gif) | A26-4500-2_1620ref_Jul61.pdf | 2002-03-25 19:10 | 9.8M | |
| A26-5569-0_IBM_1620_OEM_Information_1961.pdf | 2014-03-06 03:09 | 2.8M | |
| A26-5604-0_IBM_1620_Reference_Summary_1962.pdf | 2014-09-04 01:48 | 2.3M | |
| A26-5692-1_IBM_1620_Bibliography_Aug63.pdf | 2014-02-28 03:22 | 682K | |
| A26-5706-3_IBM_1620_CPU_Model_1_Jul65.pdf | 2014-03-01 00:33 | 7.9M | |
| A26-5707-0_IBM_1620_Input_Output_Units_1621_1622_1624.pdf | 2014-03-01 01:56 | 4.4M | |
| A26-5708-0_IBM_1620_Special_Features.pdf | 2014-03-01 01:56 | 2.0M | |
| A26-5718-0_IBM_1620_System_Summary.pdf | 2014-02-28 04:04 | 1.3M | |
| A26-5730-2_1443_printer_for_1620.pdf | 2009-09-02 06:12 | 1.8M | |
| A26-5764-0_IBM_1620_Model_2_Binary_Capabilities_and_Index_Registers_1963.pdf | 2014-03-01 19:33 | 787K | |
| A26-5781-2_IBM_1620_CPU_Model_2_Nov65.pdf | 2014-03-01 04:33 | 12M | |
| A26-5835-0_IBM_1622_Card_Read-Punch.pdf | 2014-03-06 23:54 | 930K | |
| A26-5836-0_IBM_1621_Paper_Tape_Unit.pdf | 2014-03-06 23:54 | 1.5M | |
| Basic_Programming_Concepts_and_the_IBM_1620_Computer_1962.pdf | 2009-04-14 15:56 | 25M | |
| C26-5594-1_IBM_1620_GOTRAN_Interpretive_Programming_System_1961.pdf | 2014-03-07 20:41 | 2.3M | |
| C26-5600-1_Symbolic_Programming_System_Apr63.pdf | 2007-08-21 21:32 | 6.9M | |
| C26-5619-1_fortran.pdf | 2002-09-06 03:22 | 9.5M | |
| C26-5619-4_1620_Fortran_Mar64.pdf | 2014-03-01 01:58 | 12M | |
| C26-5875-2_1620-1311_Sort_Merge_Reference_Feb66.pdf | 2014-03-07 00:01 | 1.0M | |
| C26-5876-2_FORTRAN_II_Mar65.pdf | 2007-08-21 21:45 | 3.9M | |
| G26-5595-0_Automatic_Floating-Point_Operations_Sep61.pdf | 2014-03-06 03:10 | 1.1M | |
| GC20-1603-10_1620_Catalog_of_Programs_Jan71.pdf | 2014-02-28 04:04 | 25M | |
| IBM_1620_Product_Specifications_Jan60.pdf | 2014-03-10 22:47 | 3.4M | |
| J26-5547-0_IBM_1620_Program_Writing_and_Testing_1961.pdf | 2014-03-07 20:41 | 1.6M | |
| L26-5576-1_1921_Magnetic_Tape_Control_Unit_Model_5_Custom_Feature_for_the_IBM_1620.pdf | 2014-03-06 02:46 | 2.8M | |
| X26-5743-2_1620_Model_1_Reference_Card.pdf | 2014-02-28 20:39 | 337K | |
| X26-5852-2_1620_Model_2_Reference_Card.pdf | 2014-02-28 20:39 | 384K | |
![[DIR]](/icons/folder.gif) | application_program_bulletin/ | 2014-03-19 01:01 | - | |
| chm_restoration/ | 2014-03-04 19:36 | - | |
| fe/ | 2017-10-01 19:12 | - | |
| general_program_library/ | 2014-03-18 20:23 | - | |
| ibm_simulator/ | 2014-03-08 05:44 | - | |
| monitor/ | 2014-03-12 23:54 | - | |
| programs/ | 2014-03-14 20:38 | - | |
| subroutines/ | 2014-03-05 02:32 | - | |
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