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1620_Poster_1960.jpg 501.22 KB 🧲
A26-4500-2_1620ref_Jul61.pdf 9.77 MB 🧲
A26-5569-0_IBM_1620_OEM_Information_1961.pdf 2.75 MB 🧲
A26-5604-0_IBM_1620_Reference_Summary_1962.pdf 2.33 MB 🧲
A26-5692-1_IBM_1620_Bibliography_Aug63.pdf 682.18 KB 🧲
A26-5706-3_IBM_1620_CPU_Model_1_Jul65.pdf 7.94 MB 🧲
A26-5707-0_IBM_1620_Input_Output_Units_1621_1622_1624.pdf 4.39 MB 🧲
A26-5708-0_IBM_1620_Special_Features.pdf 2.00 MB 🧲
A26-5718-0_IBM_1620_System_Summary.pdf 1.26 MB 🧲
A26-5730-2_1443_printer_for_1620.pdf 1.77 MB 🧲
A26-5764-0_IBM_1620_Model_2_Binary_Capabilities_and_Index_Registers_1963.pdf 786.84 KB 🧲
A26-5781-2_IBM_1620_CPU_Model_2_Nov65.pdf 12.38 MB 🧲
A26-5835-0_IBM_1622_Card_Read-Punch.pdf 930.37 KB 🧲
A26-5836-0_IBM_1621_Paper_Tape_Unit.pdf 1.51 MB 🧲
application_program_bulletin/ 985.88 KB 🧲
Basic_Programming_Concepts_and_the_IBM_1620_Computer_1962.pdf 25.42 MB 🧲
C26-5594-1_IBM_1620_GOTRAN_Interpretive_Programming_System_1961.pdf 2.31 MB 🧲
C26-5600-1_Symbolic_Programming_System_Apr63.pdf 6.86 MB 🧲
C26-5619-1_fortran.pdf 9.47 MB 🧲
C26-5619-4_1620_Fortran_Mar64.pdf 11.52 MB 🧲
C26-5875-2_1620-1311_Sort_Merge_Reference_Feb66.pdf 1.02 MB 🧲
C26-5876-2_FORTRAN_II_Mar65.pdf 3.90 MB 🧲
fe/ 315.54 MB 🧲
G26-5595-0_Automatic_Floating-Point_Operations_Sep61.pdf 1.14 MB 🧲
GC20-1603-10_1620_Catalog_of_Programs_Jan71.pdf 24.87 MB 🧲
general_program_library/ 200.52 MB 🧲
IBM_1620_Product_Specifications_Jan60.pdf 3.35 MB 🧲
ibm_simulator/ 60.68 MB 🧲
J26-5547-0_IBM_1620_Program_Writing_and_Testing_1961.pdf 1.62 MB 🧲
L26-5576-1_1921_Magnetic_Tape_Control_Unit_Model_5_Custom_Feature_for_the_IBM_1620.pdf 2.80 MB 🧲
monitor/ 205.27 MB 🧲
programs/ 44.73 MB 🧲
subroutines/ 1.43 MB 🧲
X26-5743-2_1620_Model_1_Reference_Card.pdf 337.32 KB 🧲
X26-5852-2_1620_Model_2_Reference_Card.pdf 383.90 KB 🧲