B-17s of the 381st Bomber Group en route to target 1944; Photo: US Army Air Forces. Click image to enlarge. The Air Almanac is believed to be one of the greatest contributions to navigation in several ...

If you are looking for a very old Kermit program, e.g. prior to 1985, some of these are kept in special directories on the Kermit FTP site: ...

While you are in F-1 status, you are permitted to leave the U.S. and re-enter in F-1 status provided you present the required documentation. If you intend to re-enter the U.S. and continue your ...

Jagdish Bhagwati is University Professor (Economics, Law, and International Affairs) at Columbia University and Director of the Raj Center on Indian Economic Policies. He was Senior Fellow for ...

The IBM 285 Tabulator Click each image to enlarge. IBM 285 with operator The IBM Type 285 Tabulator Photo: [4]. IBM 285 plugboard The IBM Type 285 Numeric Printing Tabulator, 1933, used in the Thomas ...

Columbia University Rugby Football Club is a competitive, intercollegiate rugby club open to all students of the university. During the fall we play in the recently formed Ivy League Championship ...

Early-to-mid 1960s. Foreground: IBM 2311 Disk Storage Drives, providing random direct access to 7.25 million 8-bit bytes per removeable disk pack. In Packed Decimal Mode the capacity is 14.5 numeric ...

Page last updated July 23 2020 (added Fermín Travi's adaptation of Alan Lee's Python scripts for response-specific meta-d' analysis) The original version of this webpage is archived here. MATLAB files ...

The IBM Type 602-A Calculating Punch (1948); photo from the IBM 602-A Principles of Operation. In the first half of the 20th Century, IBM's flagship product was the Tabulator, which is pretty much ...

PowerPoints and PDFs of public presentations, testimony, etc.

The IBM 2260 Display Station, 1964; Photo: IBM 1964. This is one of the very first video display terminals. 2260s were installed at Columbia in the 2nd-floor Computer Center public-access terminal ...

1978. The Digital Equipment Corporation VT100 was the first ANSI X3.64 compliant terminal and featured lots of innovations including control by an Intel 8085 microprocessor (rather than custom ...