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 ...

Kermit protocol originally was designed to operate under the worst conditions, and its robust default tuning was at the expense of speed. Thus there has been a widespread misconception that Kermit is ...

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 ...

Identification: Ailanthus altissima is the only species introduced into North America of the Quassia family, which includes five native trees and two native shrubs. It is a large deciduous tree that ...

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 ...

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 ...

1953 ad The IBM Type 607 Electronic Calculating Punch, 1953. The photo shows, from left to right, the Type 942 Electronic Storage Unit (memory), the Type 529 Card Reader/Punch, and the 607 itself. The ...

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 ...

Columbia's Herman Hollerith pioneered punch card computation beginning in the late 1880s, when he chose punched cards as the medium for encoding and storing demographic data for the 1890 US Census, ...

Since Pinatubo there have been no major volcanic eruptions, but in the past decade the series of minor eruptions have been increasing the aerosol level. Also available in PDF Data are through December ...

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 ...

Central River Division (formally MacCarthy Island Division) with an area of 3038 sq. km is the largest Local Government Area in the Gambia. The division consists of 10 districts including MacCarthy ...