Laurie, Edward J. 4 0
Computers and how they work : IBM 1620, IBM 1401, IBM 650 / 6 6 Edward J. Laurie. - - - vi, 441 pages : illustrations 24 cm. - - - - - . - . - 0 . - . - 0 .
Includes bibliography.
5
5
2 = =
63-11023
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
IBM 1620 (Computer).;IBM 1401 (Computer).;IBM 650 (Computer). ----------
--------20--
----2
/ 2
510.78 L37c 1963 / 2
/
/
Computers and how they work : IBM 1620, IBM 1401, IBM 650 / 6 6 Edward J. Laurie. - - - vi, 441 pages : illustrations 24 cm. - - - - - . - . - 0 . - . - 0 .
Includes bibliography.
5
5
2 = =
63-11023
2
2 --0------
6 --0-- 2 --------
0 2 --
--20------
IBM 1620 (Computer).;IBM 1401 (Computer).;IBM 650 (Computer). ----------
--------20--
----2
/ 2
510.78 L37c 1963 / 2
/
/