
IBM 402 - Wikipedia
The IBM 402 and IBM 403 Accounting Machines are tabulating machines introduced by International Business Machines in the late 1940s. The 402 could read punched cards at a …
The IBM 402 and 403 Alphabetical Accounting Machines - Columbia University
The IBM 402 accounting (tabulating) machine, 1948, was an "improved and modernized successor to the 405 accounting machine, the choice of type number notwithstanding" .
IBM Control Panels - Columbia University
2003年5月22日 · Each IBM machine -- tabulator, collator, interpreter, reproducer, calculator-- had its own unique control panel, and its manual would be filled with control-panel diagrams such …
Plugboard - Wikipedia
An IBM tabulating machine, such as the 402 or 407 series would have several counters available in different sizes. (For example, the IBM 402/403 had four sets each of 2, 4, 6 and 8 digit …
古董电脑,复古情怀 - footmark89 - 博客园
2020年10月17日 · Sparkler Filters使用的IBM 402很可能是地球上最后一个充分运转的402机器,它虽然已经有超过半个世纪的历史,但还可以运行所有的会计工作。 在402上使用的穿孔卡片
What Is the Oldest Computer Program Still in Use?
2015年8月6日 · To this day it relies on a 1948 IBM 402 punchcard system for inventory and accounting along with an IBM 83 sorter and IBM 129 keypunch, according to the firm’s long …
IBM 402 Alphabetic Accounting Machine - IT History Society
The IBM 402 and IBM 403 Accounting Machines were tabulating machines introduced by IBM in the late 1940s. The 402 could read punched cards at a speed of up to 150 cards per minute, …
The IBM 402 Accounting Machine - Columbia University
2021年3月31日 · IBM 402, 403, and 419 Accounting Machines: Manual of Operation, International Business Machines Corporation, Data Processing Division, 112 East Post Road, White Plains, …
IBM 402 - Wikiwand
The IBM 402 and IBM 403 Accounting Machines were tabulating machines introduced by International Business Machines in the late 1940s. Quick Facts Type, Release date ... IBM 407
IBM 402 - IBM 1401
IBM 402 & Trip Report July 2010. The IBM 402 is an Accounting Machine - as seen at Columbia Univ. web site; developed at Endicott in 1948; another web page about Sparkle Filters. Table …